diff --git a/compile.sh b/compile.sh
index ab5d25c4..6078ed4e 100755
--- a/compile.sh
+++ b/compile.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-[ -z "$PHP_VERSION" ] && PHP_VERSION="8.1.15"
+[ -z "$PHP_VERSION" ] && PHP_VERSION="8.1.16"
 
 ZLIB_VERSION="1.2.13"
 GMP_VERSION="6.2.1"
diff --git a/windows-compile-vs.bat b/windows-compile-vs.bat
index c532cc97..b46c0f56 100644
--- a/windows-compile-vs.bat
+++ b/windows-compile-vs.bat
@@ -3,7 +3,7 @@
 REM For future users: This file MUST have CRLF line endings. If it doesn't, lots of inexplicable undesirable strange behaviour will result.
 REM Also: Don't modify this version with sed, or it will screw up your line endings.
 set PHP_MAJOR_VER=8.1
-set PHP_VER=%PHP_MAJOR_VER%.15
+set PHP_VER=%PHP_MAJOR_VER%.16
 set PHP_GIT_REV=php-%PHP_VER%
 set PHP_DISPLAY_VER=%PHP_VER%
 set PHP_SDK_VER=2.2.0