diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6d6697d..5b2f451 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -81,7 +81,7 @@ build_ubuntu_jammy:
 build_cuda_focal:
   stage: build
   script:
-    - docker build -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_BRANCH -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_ROLLING_BRANCH --build-arg START_PULSEAUDIO=1 --build-arg BASE_IMAGE="nvidia/cuda:11.6.0-devel-ubuntu20.04" --build-arg START_XFCE4=1 --build-arg BG_IMG=bg_focal.png  -f dockerfile-kasm-core .
+    - docker build -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_BRANCH -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_ROLLING_BRANCH --build-arg START_PULSEAUDIO=1 --build-arg BASE_IMAGE="nvidia/cuda:11.6.2-cudnn8-devel-ubuntu20.04" --build-arg START_XFCE4=1 --build-arg BG_IMG=bg_focal.png  -f dockerfile-kasm-core .
     - docker push ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_BRANCH
     - docker push ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH
     - docker push ${ORG_NAME}/core-cuda-focal:$SANITIZED_BRANCH
@@ -286,7 +286,7 @@ build_cuda_focal_dev:
         docker build 
         -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_BRANCH
         --build-arg START_PULSEAUDIO=1
-        --build-arg BASE_IMAGE="nvidia/cuda:11.6.0-devel-ubuntu20.04"
+        --build-arg BASE_IMAGE="nvidia/cuda:11.6.2-cudnn8-devel-ubuntu20.04"
         --build-arg START_XFCE4=1
         --build-arg BG_IMG=bg_focal.png
         -f dockerfile-kasm-core .
@@ -626,7 +626,7 @@ build_ubuntu_jammy_scheduled:
 build_cuda_focal_schedules:
   stage: build
   script:
-    - docker build -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_ROLLING_BRANCH --build-arg START_PULSEAUDIO=1 --build-arg BASE_IMAGE="nvidia/cuda:11.6.0-devel-ubuntu20.04" --build-arg START_XFCE4=1 --build-arg BG_IMG=bg_focal.png  -f dockerfile-kasm-core .
+    - docker build -t ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH -t ${ORG_NAME}/core-cuda-focal:$SANITIZED_ROLLING_BRANCH --build-arg START_PULSEAUDIO=1 --build-arg BASE_IMAGE="nvidia/cuda:11.6.2-cudnn8-devel-ubuntu20.04" --build-arg START_XFCE4=1 --build-arg BG_IMG=bg_focal.png  -f dockerfile-kasm-core .
     - docker push ${ORG_NAME}/core-cuda-focal-private:$SANITIZED_ROLLING_BRANCH
     - docker push ${ORG_NAME}/core-cuda-focal:$SANITIZED_ROLLING_BRANCH
   only:
diff --git a/src/ubuntu/install/tools/install_tools.sh b/src/ubuntu/install/tools/install_tools.sh
index d996b00..f9d7322 100644
--- a/src/ubuntu/install/tools/install_tools.sh
+++ b/src/ubuntu/install/tools/install_tools.sh
@@ -15,7 +15,7 @@ else
   apt-get update
   # Update tzdata noninteractive (otherwise our script is hung on user input later).
   DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt-get -y install tzdata
-  apt-get install -y vim wget net-tools locales bzip2 wmctrl software-properties-common mesa-utils
+  apt-get install -y vim wget net-tools locales bzip2 wmctrl software-properties-common mesa-utils 
   apt-get clean -y
 
   echo "generate locales für en_US.UTF-8"