diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index d7781d2e0ea6b43f1f0021ee394341f044d17328..6a20156af04213d7431d80ef52fe4c9d1d3271bd 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,5 @@
 
-Drupal 7.xx, xxxx-xx-xx (development version)
+Drupal 7.55, 2017-06-07
 -----------------------
 - Fixed incompatibility with PHP versions 7.0.19 and 7.1.5 due to duplicate
   DATE_RFC7231 definition.
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index 755c74f84f1f64fd09516b34d33e0e8dbd2a8a83..d5864ff0bfc56813418e72d6fcde24bc2798e11a 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.55-dev');
+define('VERSION', '7.55');
 
 /**
  * Core API compatibility.