diff --git a/.github/workflows/release-charts.yaml b/.github/workflows/release-charts.yaml
index 8964817e..1bff7ec7 100644
--- a/.github/workflows/release-charts.yaml
+++ b/.github/workflows/release-charts.yaml
@@ -6,7 +6,8 @@ on:
     paths:
       - 'charts/**'
   schedule:
-    - cron: '*/5 * * * *'
+    # each hour
+    - cron: '0 * * * *'
   workflow_dispatch:
 jobs:
   keycloak: