diff --git a/CHANGELOG b/CHANGELOG
index f35edc3c3..40c200340 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+* 1.35.5 (2018-XX-XX)
+
+ * n/a
+
 * 1.35.4 (2018-07-13)
 
  * ensured that syntax errors are triggered with the right line
diff --git a/ext/twig/php_twig.h b/ext/twig/php_twig.h
index e99703f2e..ca0a2837a 100644
--- a/ext/twig/php_twig.h
+++ b/ext/twig/php_twig.h
@@ -15,7 +15,7 @@
 #ifndef PHP_TWIG_H
 #define PHP_TWIG_H
 
-#define PHP_TWIG_VERSION "1.35.4-DEV"
+#define PHP_TWIG_VERSION "1.35.5-DEV"
 
 #include "php.h"
 
diff --git a/lib/Twig/Environment.php b/lib/Twig/Environment.php
index 9b610f759..7f6d3a707 100644
--- a/lib/Twig/Environment.php
+++ b/lib/Twig/Environment.php
@@ -16,12 +16,12 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.35.4';
-    const VERSION_ID = 13504;
+    const VERSION = '1.35.5';
+    const VERSION_ID = 13505;
     const MAJOR_VERSION = 1;
     const MINOR_VERSION = 35;
-    const RELEASE_VERSION = 4;
-    const EXTRA_VERSION = '';
+    const RELEASE_VERSION = 5;
+    const EXTRA_VERSION = 'DEV';
 
     protected $charset;
     protected $loader;