diff --git a/UPGRADING b/UPGRADING
index 94e080b381a..685dfec30c4 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -102,6 +102,10 @@ PHP 8.5 UPGRADE NOTES
 12. Windows Support
 ========================================
 
+* The configuration variables PHP_VERSION, PHP_MINOR_VERSION, and
+  PHP_RELEASE_VERSION are now always numbers.  Previously, they have been
+  strings for buildconf builds.
+
 ========================================
 13. Other Changes
 ========================================
diff --git a/win32/build/confutils.js b/win32/build/confutils.js
index 438956cbb60..479ce06ad50 100644
--- a/win32/build/confutils.js
+++ b/win32/build/confutils.js
@@ -108,9 +108,9 @@ function get_version_numbers()
 	var regex = /AC_INIT.+(\d+)\.(\d+)\.(\d+)([^\,^\]]*).+/g;
 
 	if (cin.match(new RegExp(regex))) {
-		PHP_VERSION = RegExp.$1;
-		PHP_MINOR_VERSION = RegExp.$2;
-		PHP_RELEASE_VERSION = RegExp.$3;
+		PHP_VERSION = +RegExp.$1;
+		PHP_MINOR_VERSION = +RegExp.$2;
+		PHP_RELEASE_VERSION = +RegExp.$3;
 		PHP_EXTRA_VERSION = RegExp.$4;
 	}