diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9149f3a818..d51d54ab80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.5.3 / 2017-05-11
+
+* [BUGFIX] Fix potential memory leak in Kubernetes service discovery
+
 ## 1.5.2 / 2017-02-10
 
 * [BUGFIX] Fix series corruption in a special case of series maintenance where
diff --git a/VERSION b/VERSION
index 4cda8f19ed..8af85beb51 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.2
+1.5.3