diff --git a/configure.in b/configure.in
index a9be79aa3a4..76d8a593b1b 100644
--- a/configure.in
+++ b/configure.in
@@ -41,7 +41,7 @@ AC_CONFIG_HEADER(main/php_config.h)
 MAJOR_VERSION=5
 MINOR_VERSION=0
 RELEASE_VERSION=3
-EXTRA_VERSION="RC1"
+EXTRA_VERSION="RC2-dev"
 VERSION="$MAJOR_VERSION.$MINOR_VERSION.$RELEASE_VERSION$EXTRA_VERSION"
 
 dnl Define where extension directories are located in the configure context
diff --git a/main/php_version.h b/main/php_version.h
index 5655e7bc2a2..f353d30c93a 100644
--- a/main/php_version.h
+++ b/main/php_version.h
@@ -3,5 +3,5 @@
 #define PHP_MAJOR_VERSION 5
 #define PHP_MINOR_VERSION 0
 #define PHP_RELEASE_VERSION 3
-#define PHP_EXTRA_VERSION "RC1"
-#define PHP_VERSION "5.0.3RC1"
+#define PHP_EXTRA_VERSION "RC2-dev"
+#define PHP_VERSION "5.0.3RC2-dev"