diff --git a/.github/workflows/ci-master-pr.yml b/.github/workflows/ci-master-pr.yml
index ecde52f..c5fadfb 100644
--- a/.github/workflows/ci-master-pr.yml
+++ b/.github/workflows/ci-master-pr.yml
@@ -17,10 +17,10 @@ jobs:
     strategy:
       matrix:
         BASE_IMAGE_NAME: [ubuntu]
-        BASE_IMAGE_TAG: [xenial-20181005]
+        BASE_IMAGE_TAG: [focal-20231003]
         BUILD_IMAGE_VARIANT: [git, minimal]
         include:
-        - BASE_IMAGE_TAG: xenial-20181005
+        - BASE_IMAGE_TAG: focal-20231003
           BUILD_IMAGE_VARIANT: git
           TAG_LATEST: true
     env:
diff --git a/build.sh b/build.sh
index 2aa3914..de2e2f6 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,7 @@
 ## build variables ##
 # BASE_REGISTRY_NAMESPACE=library           # string - base image user or organization namespace - required
 # BASE_IMAGE_NAME=ubuntu                    # string - OS image namespace - required
-# BASE_IMAGE_TAG=xenial-20181005            # string - OS image tag - required
+# BASE_IMAGE_TAG=focal-20231003            # string - OS image tag - required
 # BUILD_REGISTRY_NAMESPACE=startersclan     # string - build image user or organization namespace - required
 # BUILD_IMAGE_NAME=steamcmd                 # string - build image namespace - required
 # BUILD_IMAGE_VARIANT=git                   # string - variant to build - required
@@ -112,6 +112,7 @@ docker history "$BUILD_IMAGE"
 
 # Test the image
 docker run -t --rm --entrypoint /bin/sh "$BUILD_IMAGE" -c 'printenv && ls -al && exec steamcmd.sh +login anonymous +quit'
+echo 1
 
 # Push the image
 if [ -n "$RELEASE_TAG_REF" ]; then