diff --git a/NEWS b/NEWS
index 0163102cc55..f753a83ba80 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,5 @@
 PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
-?? ??? 201?, PHP 5.5.99
+?? ??? 201?, PHP 5.6.0
 
 <<< NOTE: Insert NEWS from last stable release here prior to actual release! >>>
diff --git a/configure.in b/configure.in
index 987619230df..9811236f12d 100644
--- a/configure.in
+++ b/configure.in
@@ -118,8 +118,8 @@ int zend_sprintf(char *buffer, const char *format, ...);
 ])
 
 PHP_MAJOR_VERSION=5
-PHP_MINOR_VERSION=5
-PHP_RELEASE_VERSION=99
+PHP_MINOR_VERSION=6
+PHP_RELEASE_VERSION=0
 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`
diff --git a/main/php_version.h b/main/php_version.h
index a2b18829b47..d48bf13c6f7 100644
--- a/main/php_version.h
+++ b/main/php_version.h
@@ -1,8 +1,8 @@
 /* automatically generated by configure */
 /* edit configure.in to change version number */
 #define PHP_MAJOR_VERSION 5
-#define PHP_MINOR_VERSION 5
-#define PHP_RELEASE_VERSION 99
+#define PHP_MINOR_VERSION 6
+#define PHP_RELEASE_VERSION 0
 #define PHP_EXTRA_VERSION "-dev"
-#define PHP_VERSION "5.5.99-dev"
-#define PHP_VERSION_ID 50599
+#define PHP_VERSION "5.6.0-dev"
+#define PHP_VERSION_ID 50600