diff --git a/charts/buildbarn/values.yaml b/charts/buildbarn/values.yaml
index 54a6cc5f4..186ae3ba4 100644
--- a/charts/buildbarn/values.yaml
+++ b/charts/buildbarn/values.yaml
@@ -492,7 +492,7 @@ worker:
       # worker.runnerContainer.image.repository -- image repository (default is https://console.cloud.google.com/marketplace/product/google/rbe-ubuntu18-04)
       repository: ghcr.io/catthehacker/ubuntu
       # worker.runnerContainer.image.tag -- image tag
-      tag: act-22.04@sha256:52a293742bfc7db8497edbf7eacbb2077277f0010fac5b49cfadf23b35a1b86f
+      tag: act-22.04@sha256:4c8f9e3d45468457264549d266705bf39f46b470fd9d085b96c232696953cd87
     # worker.runnerContainer.securityContext -- specifies security settings for a container
     securityContext:
       runAsUser: 65534