diff --git a/woodpecker/values/values.yaml b/woodpecker/values/values.yaml
index d4e9fa6..3a083f4 100644
--- a/woodpecker/values/values.yaml
+++ b/woodpecker/values/values.yaml
@@ -36,3 +36,4 @@ agent:
   env:
     WOODPECKER_MAX_WORKFLOWS: 2
     WOODPECKER_BACKEND_K8S_STORAGE_CLASS: 'longhorn-local'
+    WOODPECKER_BACKEND_K8S_VOLUME_SIZE: 2G