diff --git a/main/php_version.h b/main/php_version.h
index abcfe084c47..001b79478d8 100644
--- a/main/php_version.h
+++ b/main/php_version.h
@@ -1,3 +1,3 @@
 /* automatically generated by configure */
 /* edit configure.in.in to change version number */
-#define PHP_VERSION "4.0b4-dev"
+#define PHP_VERSION "4.0b5-dev"