diff --git a/cortex.yaml b/cortex.yaml
index bef45962d51..58ae1394212 100644
--- a/cortex.yaml
+++ b/cortex.yaml
@@ -1,7 +1,7 @@
 package:
   name: cortex
-  version: 1.15.2
-  epoch: 2
+  version: 1.15.3
+  epoch: 0
   description:
   copyright:
     - license: Apache-2.0
@@ -20,7 +20,7 @@ pipeline:
     with:
       repository: https://github.com/cortexproject/cortex
       tag: v${{package.version}}
-      expected-commit: 62e3836edc1467c2f36ae03c31d4a1c6f8adc79b
+      expected-commit: 21e83660515e7831f4081b6b98f53f9fd43560f3
 
   - runs: |
       mkdir -p ${{targets.destdir}}/usr/bin