diff --git a/nix/sources.json b/nix/sources.json
index 0b1b1bb..1f6fe04 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -17,10 +17,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dd1b7e377f6d77ddee4ab84be11173d3566d6a18",
-        "sha256": "158zx28wfxqkv51lwgkbsdp1v3wyijp6crmk3mkvqa0v0619yxiv",
+        "rev": "b67ba0bfcc714453cdeb8d713e35751eb8b4c8f4",
+        "sha256": "0bjcdml9vbrx0r0kz9ic48lpnj4ah1cjhqsw7p0ydmz7dvrq702y",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/dd1b7e377f6d77ddee4ab84be11173d3566d6a18.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/b67ba0bfcc714453cdeb8d713e35751eb8b4c8f4.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "poetry2nix": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "nix-community",
         "repo": "poetry2nix",
-        "rev": "53d5786a0a9b64745713d05d897c84cc9ef2c9da",
-        "sha256": "09ngbv7xcg9y3q7czbpwlvwpqv1ix3qanw7ldg5yfz7c1j6rad17",
+        "rev": "84a5da7b59d0b8d566a9dbee2995c7e1722cca6d",
+        "sha256": "03jcm4289v33fjy1clgb712qsjs85iwv8wrjj5g8pb2sxfp8gfa6",
         "type": "tarball",
-        "url": "https://github.com/nix-community/poetry2nix/archive/53d5786a0a9b64745713d05d897c84cc9ef2c9da.tar.gz",
+        "url": "https://github.com/nix-community/poetry2nix/archive/84a5da7b59d0b8d566a9dbee2995c7e1722cca6d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pre-commit-hooks.nix": {
@@ -41,10 +41,10 @@
         "homepage": "",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "431227b41d0aaa83fabdee6611e145b7d9bd150b",
-        "sha256": "0ff24n8i3mfw0jw5r5lsgvbahmh88zhi3qsk9yxrb8x82jprgzsy",
+        "rev": "d16e007e6bd263ba5899a9a425d76a78906570cd",
+        "sha256": "1c0lv3yzq1kkqm4j37wl5hlawlsrj1413vkr1mdm661klad2sa0d",
         "type": "tarball",
-        "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/431227b41d0aaa83fabdee6611e145b7d9bd150b.tar.gz",
+        "url": "https://github.com/cachix/pre-commit-hooks.nix/archive/d16e007e6bd263ba5899a9a425d76a78906570cd.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }