diff --git a/Jenkinsfile b/Jenkinsfile
index a47354e..75037c4 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -12,7 +12,7 @@
  *  EXERCISE_FOLDERS has the image name and corresponding build folder
 **/
 
-TARGET_BRANCH = '202211'
+TARGET_BRANCH = '202303'
 
 EXERCISE_FOLDERS = [
     "base":       "base",
diff --git a/base/Dockerfile b/base/Dockerfile
index 66ad0f0..93410db 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -2,7 +2,7 @@ FROM tier/shib-idp:3.4.7_20200702 as idp
 # latest 3.x is tier/shib-idp:3.4.7_20200702
 
 # Grouper version for the entire GTE
-FROM i2incommon/grouper:2.6.16.2
+FROM i2incommon/grouper:2.6.18.1
 
 # Disable docker HEALTHCHECK inherited from tier/shib-sp
 HEALTHCHECK NONE
diff --git a/gte b/gte
index 054020d..7f091ac 100755
--- a/gte
+++ b/gte
@@ -1,7 +1,7 @@
 #! /bin/bash
 
 REPOSITORY=tier/gte
-VERSION_TAG=202211
+VERSION_TAG=202303
 
 EXTRA_ARGS=
 
@@ -62,6 +62,6 @@ fi
 
 #docker stop "$1" 2> /dev/null
 #docker rm "$1" 2> /dev/null
-#docker run -d -p 8443:443 --name $1 tier/gte:"$1"-202211
+#docker run -d -p 8443:443 --name $1 tier/gte:"$1"-202303
 echo "Starting container tier/gte:"$LESSON_ID"-$VERSION_TAG"
 docker run -p 8443:443 $EXTRA_ARGS --name $LESSON_ID tier/gte:"$LESSON_ID"-$VERSION_TAG $*
diff --git a/internal/createNew.txt b/internal/createNew.txt
index 3107199..0c58b26 100644
--- a/internal/createNew.txt
+++ b/internal/createNew.txt
@@ -7,7 +7,7 @@ storage 30gig
 security group: gte-training
 tag env training
 
-user data script from https://github.internet2.edu/docker/grouper_training/raw/202211/internal/userdata.sh
+user data script from https://github.internet2.edu/docker/grouper_training/raw/202303/internal/userdata.sh
 
 ssh -i gte-training-master.pem ec2-user@3.136.154.33
 
diff --git a/internal/mkstudent.sh b/internal/mkstudent.sh
index 40461bc..e81b0c7 100644
--- a/internal/mkstudent.sh
+++ b/internal/mkstudent.sh
@@ -2,7 +2,7 @@
 
 export GROUPER_GTE_BRANCH=GROUPER_BUILD_CLOUD_FORMATION
 #export GROUPER_GTE_DOCKER_BRANCH=GROUPER_BUILD_CLOUD_FORMATION
-export GROUPER_GTE_DOCKER_BRANCH=202211
+export GROUPER_GTE_DOCKER_BRANCH=202303
 
 echo "$GROUPER_GTE_BRANCH" > /root/grouperGteBranch.txt
 chmod a+r /root/grouperGteBranch.txt