diff --git a/dev-tools/randomization.yml b/dev-tools/randomization.yml
index 3b7a6708ffd..dc53ceac73c 100644
--- a/dev-tools/randomization.yml
+++ b/dev-tools/randomization.yml
@@ -5,7 +5,11 @@ randomization:
       branch: tags/v1.5.0
       lucene.version: 4.10.4
     es151:
-      version: 1.5.1-SNAPSHOT
+      version: 1.5.1
+      branch: tags/v1.5.1
+      lucene.version: 4.10.4
+    es152:
+      version: 1.5.2-SNAPSHOT
       branch: origin/1.5
       lucene.version: 4.10.4
     es160: