diff --git a/core/CHANGELOG.txt b/core/CHANGELOG.txt
index ac078d5c2f66f0597b7c35fb549345d4184fed4f..49b8ea0344212eabe922300bd62736644888f88b 100644
--- a/core/CHANGELOG.txt
+++ b/core/CHANGELOG.txt
@@ -1,3 +1,7 @@
+Drupal 8.4.5, 2018-02-20
+------------------------
+- Fixed security issues. See SA-CORE-2018-001.
+
 Drupal 8.4.0, 2017-10-04
 ------------------------
 ### Drush users: Update to Drush 8.1.12+ or higher
diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index bf53eaa110760c9ce3426e87bfb4d8fe0ed8e89c..74ca6bdb5b3b2c4ec3c5ad0395067d36d0d30467 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -81,7 +81,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.4.4';
+  const VERSION = '8.4.5';
 
   /**
    * Core API compatibility.