diff --git a/ex101/ex101.1.1/Dockerfile b/ex101/ex101.1.1/Dockerfile
index ec7b9a9..fe32f2a 100644
--- a/ex101/ex101.1.1/Dockerfile
+++ b/ex101/ex101.1.1/Dockerfile
@@ -1,4 +1,5 @@
-FROM tier/gte:base-201906
+ARG VERSION_TAG
+FROM tier/gte:base-$VERSION_TAG
 
 LABEL author="tier-packaging@internet2.edu <tier-packaging@internet2.edu>" \
       Vendor="TIER" \
diff --git a/ex101/manualBuild.sh b/ex101/manualBuild.sh
index e2d6b42..64ac5d6 100755
--- a/ex101/manualBuild.sh
+++ b/ex101/manualBuild.sh
@@ -1,4 +1,6 @@
-docker build --tag=tier/gte:101-$tag ex101-$tag
+source ../buildVersion.sh
+echo "Building gte:101 version ${VERSION_TAG}"
+docker build --build-arg VERSION_TAG=${VERSION_TAG} --tag=tier/gte:101.1.1-${VERSION_TAG} ex101.1.1
 
 if [[ "$OSTYPE" == "darwin"* ]]; then
   say exercises for 101 build complete