diff --git a/workbench-for-google-cloud-workstations/Dockerfile.ubuntu2204 b/workbench-for-google-cloud-workstations/Dockerfile.ubuntu2204
index 6d2225b6..d32b72fe 100644
--- a/workbench-for-google-cloud-workstations/Dockerfile.ubuntu2204
+++ b/workbench-for-google-cloud-workstations/Dockerfile.ubuntu2204
@@ -1,5 +1,5 @@
 FROM product-base-pro as posit_base
-FROM us-central1-docker.pkg.dev/cloud-workstations-images/predefined/base:latest as build
+FROM us-central1-docker.pkg.dev/cloud-workstations-images/predefined/base:last-ubuntu2204 as build
 
 ### ARG declarations ###
 ARG DEBIAN_FRONTEND=noninteractive