diff --git a/build.rs b/build.rs
index 04ba830..1d3071b 100644
--- a/build.rs
+++ b/build.rs
@@ -27,127 +27,133 @@ const DEFAULT_PYPY_SOURCE: &str = "https://downloads.python.org/pypy/";
 #[rustfmt::skip]
 const DEFAULT_CPYTHON_DISTRIBUTIONS: &[(&str, &str, &str, &str, &str, &str)] = &[
     ("3.11", "linux", "aarch64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-aarch64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-aarch64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "powerpc64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+    ("3.11", "linux", "s390x", "gnu", "",
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-s390x-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-i686-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-i686-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "gnu", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "gnu", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "gnu", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "gnu", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "musl", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64-unknown-linux-musl-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "musl", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "musl", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
     ("3.11", "linux", "x86_64", "musl", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
     ("3.11", "windows", "x86", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-i686-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-i686-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.11", "windows", "x86", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-i686-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-i686-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.11", "windows", "x86_64", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.11", "windows", "x86_64", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.11", "macos", "aarch64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-aarch64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-aarch64-apple-darwin-install_only.tar.gz"),
     ("3.11", "macos", "x86_64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.11.3%2B20230507-x86_64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.11.5%2B20230826-x86_64-apple-darwin-install_only.tar.gz"),
     ("3.10", "linux", "aarch64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-aarch64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-aarch64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "powerpc64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+    ("3.10", "linux", "s390x", "gnu", "",
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-s390x-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-i686-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-i686-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "gnu", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "gnu", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "gnu", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "gnu", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "musl", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64-unknown-linux-musl-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "musl", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "musl", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
     ("3.10", "linux", "x86_64", "musl", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
     ("3.10", "windows", "x86", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-i686-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-i686-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.10", "windows", "x86", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-i686-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-i686-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.10", "windows", "x86_64", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.10", "windows", "x86_64", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.10", "macos", "aarch64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-aarch64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-aarch64-apple-darwin-install_only.tar.gz"),
     ("3.10", "macos", "x86_64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11%2B20230507-x86_64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.10.13%2B20230826-x86_64-apple-darwin-install_only.tar.gz"),
     ("3.9", "linux", "aarch64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-aarch64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-aarch64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "powerpc64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-ppc64le-unknown-linux-gnu-install_only.tar.gz"),
+    ("3.9", "linux", "s390x", "gnu", "",
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-s390x-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-i686-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-i686-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "gnu", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "gnu", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v2-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "gnu", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "gnu", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "musl", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64-unknown-linux-musl-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "musl", "v2",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v2-unknown-linux-musl-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "musl", "v3",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v3-unknown-linux-musl-install_only.tar.gz"),
     ("3.9", "linux", "x86_64", "musl", "v4",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64_v4-unknown-linux-musl-install_only.tar.gz"),
     ("3.9", "windows", "x86", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-i686-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-i686-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.9", "windows", "x86", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-i686-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-i686-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.9", "windows", "x86_64", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.9", "windows", "x86_64", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.9", "macos", "aarch64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-aarch64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-aarch64-apple-darwin-install_only.tar.gz"),
     ("3.9", "macos", "x86_64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.9.16%2B20230507-x86_64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.9.18%2B20230826-x86_64-apple-darwin-install_only.tar.gz"),
     ("3.8", "linux", "aarch64", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-aarch64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-aarch64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.8", "linux", "x86", "gnu", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-i686-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-i686-unknown-linux-gnu-install_only.tar.gz"),
     ("3.8", "linux", "x86_64", "gnu", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-x86_64-unknown-linux-gnu-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-x86_64-unknown-linux-gnu-install_only.tar.gz"),
     ("3.8", "linux", "x86_64", "musl", "v1",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-x86_64-unknown-linux-musl-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-x86_64-unknown-linux-musl-install_only.tar.gz"),
     ("3.8", "windows", "x86", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-i686-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-i686-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.8", "windows", "x86", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-i686-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-i686-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.8", "windows", "x86_64", "msvc", "shared",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-x86_64-pc-windows-msvc-shared-install_only.tar.gz"),
     ("3.8", "windows", "x86_64", "msvc", "static",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-x86_64-pc-windows-msvc-static-install_only.tar.gz"),
     ("3.8", "macos", "aarch64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-aarch64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-aarch64-apple-darwin-install_only.tar.gz"),
     ("3.8", "macos", "x86_64", "", "",
-        "https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.8.16%2B20230507-x86_64-apple-darwin-install_only.tar.gz"),
+        "https://github.com/indygreg/python-build-standalone/releases/download/20230826/cpython-3.8.17%2B20230826-x86_64-apple-darwin-install_only.tar.gz"),
     // Frozen
     ("3.7", "linux", "x86_64", "gnu", "", "https://github.com/indygreg/python-build-standalone/releases/download/20200822/cpython-3.7.9-x86_64-unknown-linux-gnu-pgo-20200823T0036.tar.zst"),
     ("3.7", "linux", "x86_64", "musl", "", "https://github.com/indygreg/python-build-standalone/releases/download/20200822/cpython-3.7.9-x86_64-unknown-linux-musl-noopt-20200823T0036.tar.zst"),
@@ -265,7 +271,17 @@ fn get_distribution_source() -> String {
         _ => "linux",
     }
     .to_string();
-    let selected_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
+    let selected_arch = {
+        let mut arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
+        if arch.is_empty() {
+            if selected_platform == "windows" {
+                arch = "x86_64".to_string();
+            } else if selected_platform == "linux" {
+                arch = "x86_64".to_string();
+            }
+        };
+        arch
+    };
     let selected_variant = {
         let mut variant = env::var("PYAPP_DISTRIBUTION_VARIANT").unwrap_or_default();
         if variant.is_empty() {
diff --git a/docs/changelog.md b/docs/changelog.md
index 7f87782..03423b3 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -8,6 +8,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
+***Added:***
+
+- Update default distributions to 20230826
+- Build releases with codegen-units=1
+
 ## 0.10.1 - 2023-06-26
 
 ***Fixed:***
diff --git a/scripts/update_distributions.py b/scripts/update_distributions.py
index 5b0cbe3..88dfde2 100644
--- a/scripts/update_distributions.py
+++ b/scripts/update_distributions.py
@@ -89,6 +89,8 @@ def main():
         # https://doc.rust-lang.org/std/env/consts/constant.ARCH.html
         if arch == 'i686':
             arch = 'x86'
+        elif arch == 'ppc64le':
+            arch = 'powerpc64'
 
         distribution = (minor_version_parts, os_name, arch, abi, variant)
         distributions[distribution].append(((version_parts, date), url))