diff --git a/configure.ac b/configure.ac
index 562e26a0675..2f30c11fa8e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -107,7 +107,7 @@ int zend_sprintf(char *buffer, const char *format, ...);
 
 PHP_MAJOR_VERSION=7
 PHP_MINOR_VERSION=3
-PHP_RELEASE_VERSION=0
+PHP_RELEASE_VERSION=1
 PHP_EXTRA_VERSION="-dev"
 PHP_VERSION="$PHP_MAJOR_VERSION.$PHP_MINOR_VERSION.$PHP_RELEASE_VERSION$PHP_EXTRA_VERSION"
 PHP_VERSION_ID=`expr [$]PHP_MAJOR_VERSION \* 10000 + [$]PHP_MINOR_VERSION \* 100 + [$]PHP_RELEASE_VERSION`