diff --git a/apps/overlays/au-syd1/woodpecker/values.yaml b/apps/overlays/au-syd1/woodpecker/values.yaml
index e3adc5f..38dd360 100644
--- a/apps/overlays/au-syd1/woodpecker/values.yaml
+++ b/apps/overlays/au-syd1/woodpecker/values.yaml
@@ -4,7 +4,7 @@ agent:
     WOODPECKER_MAX_WORKFLOWS: "8"
     WOODPECKER_BACKEND_K8S_PRIORITY_CLASS: power
     WOODPECKER_BACKEND_K8S_STORAGE_CLASS: cephrbd-fast-delete
-    WOODPECKER_BACKEND_K8S_VOLUME_SIZE: 10G
+    WOODPECKER_BACKEND_K8S_VOLUME_SIZE: 20Gi
     WOODPECKER_BACKEND_K8S_STORAGE_RWX: false
     # Required from woodpecker 3.16.0 (GHSA-qf34-295c-26v8): step-level
     # serviceAccountName is gated behind this agent flag (default false).