diff --git a/Zend/zend.h b/Zend/zend.h
index 568f42de2a828..876623c27fe09 100644
--- a/Zend/zend.h
+++ b/Zend/zend.h
@@ -20,7 +20,7 @@
 #ifndef ZEND_H
 #define ZEND_H
 
-#define ZEND_VERSION "4.1.6-dev"
+#define ZEND_VERSION "4.1.6RC1"
 
 #define ZEND_ENGINE_3
 
diff --git a/configure.ac b/configure.ac
index 8e5f67e232597..6f38ebfe82e3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ dnl Basic autoconf initialization, generation of config.nice.
 dnl ----------------------------------------------------------------------------
 
 AC_PREREQ([2.68])
-AC_INIT([PHP],[8.1.6-dev],[https://bugs.php.net],[php],[https://www.php.net])
+AC_INIT([PHP],[8.1.6RC1],[https://bugs.php.net],[php],[https://www.php.net])
 AC_CONFIG_SRCDIR([main/php_version.h])
 AC_CONFIG_AUX_DIR([build])
 AC_PRESERVE_HELP_ORDER
diff --git a/main/php_version.h b/main/php_version.h
index 7c86754855360..8a7ed689b4dd2 100644
--- a/main/php_version.h
+++ b/main/php_version.h
@@ -3,6 +3,6 @@
 #define PHP_MAJOR_VERSION 8
 #define PHP_MINOR_VERSION 1
 #define PHP_RELEASE_VERSION 6
-#define PHP_EXTRA_VERSION "-dev"
-#define PHP_VERSION "8.1.6-dev"
+#define PHP_EXTRA_VERSION "RC1"
+#define PHP_VERSION "8.1.6RC1"
 #define PHP_VERSION_ID 80106