diff --git a/core/CHANGELOG.txt b/core/CHANGELOG.txt
index 0436c10b092e8b409a030d9cf878c68d7311c96e..eab9019968275d313697d6d82732f70a243e5961 100644
--- a/core/CHANGELOG.txt
+++ b/core/CHANGELOG.txt
@@ -1,3 +1,7 @@
+Drupal 8.3.4, 2017-06-21
+------------------------
+- Fixed security issues. See SA-CORE-2017-003.
+
 Drupal 8.3.1, 2017-04-19
 ------------------------
 - Fixed security issues. See SA-CORE-2017-002.
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 53f47b644035effb8f1b7c709fdabe29cb10be28..9371f1e5f1c98d300780ffb4bbbffa60430d8c4e 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -81,7 +81,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.3.3';
+  const VERSION = '8.3.4';
 
   /**
    * Core API compatibility.