diff --git a/package.xml b/package.xml
index abe5302e..e76c6047 100644
--- a/package.xml
+++ b/package.xml
@@ -28,9 +28,9 @@
   <email>nikic@php.net</email>
   <active>yes</active>
  </lead>
- <date>2018-12-07</date>
+ <date>2018-12-16</date>
  <version>
-  <release>5.1.16dev</release>
+  <release>5.1.16</release>
   <api>5.1.15</api>
  </version>
  <stability>
@@ -39,7 +39,7 @@
  </stability>
  <license uri="http://www.php.net/license">PHP License</license>
  <notes>
--
+- Fix build on OSX.
  </notes>
  <contents>
   <dir name="/">
diff --git a/php_apc.h b/php_apc.h
index 0c9319e4..364c7028 100644
--- a/php_apc.h
+++ b/php_apc.h
@@ -33,7 +33,7 @@
 #include "apc.h"
 #include "apc_globals.h"
 
-#define PHP_APCU_VERSION "5.1.16-dev"
+#define PHP_APCU_VERSION "5.1.16"
 #define PHP_APCU_EXTNAME "apcu"
 
 PHP_APCU_API PHP_FUNCTION(apcu_add);