diff --git a/package.xml b/package.xml
index 26f81d90..2fe324b4 100644
--- a/package.xml
+++ b/package.xml
@@ -28,9 +28,9 @@
   <email>nikic@php.net</email>
   <active>yes</active>
  </lead>
- <date>2022-09-19</date>
+ <date>2023-11-11</date>
  <version>
-  <release>5.1.23dev</release>
+  <release>5.1.23</release>
   <api>5.1.18</api>
  </version>
  <stability>
diff --git a/php_apc.h b/php_apc.h
index 4456f3f9..97c5c05e 100644
--- a/php_apc.h
+++ b/php_apc.h
@@ -33,7 +33,7 @@
 #include "apc.h"
 #include "apc_globals.h"
 
-#define PHP_APCU_VERSION "5.1.23-dev"
+#define PHP_APCU_VERSION "5.1.23"
 #define PHP_APCU_EXTNAME "apcu"
 
 PHP_APCU_API zend_bool apc_is_enabled(void);