diff --git a/scripts/ubuntu-cuda/10-install-cuda-libs.sh b/scripts/ubuntu-cuda/10-install-cuda-libs.sh
index e9c2fed..83d1c0a 100644
--- a/scripts/ubuntu-cuda/10-install-cuda-libs.sh
+++ b/scripts/ubuntu-cuda/10-install-cuda-libs.sh
@@ -46,7 +46,7 @@ sudo apt-get -y reinstall linux-headers-gcp linux-headers-`uname -r` ${pkg_name}
 
 # install cuda from network (runfile demands input and fails)
 cd /tmp
-wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-keyring_1.0-1_all.deb
-sudo dpkg -i cuda-keyring_1.0-1_all.deb
+wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2204/x86_64/cuda-keyring_1.1-1_all.deb
+sudo dpkg -i cuda-keyring_1.1-1_all.deb
 sudo apt-get update
-sudo apt-get -y install cuda
+sudo apt-get -y install cuda-toolkit
diff --git a/scripts/ubuntu-cuda/20-install-libcudnn.sh b/scripts/ubuntu-cuda/20-install-libcudnn.sh
index 10a8666..d64d4f2 100644
--- a/scripts/ubuntu-cuda/20-install-libcudnn.sh
+++ b/scripts/ubuntu-cuda/20-install-libcudnn.sh
@@ -16,8 +16,6 @@ done
 
 UBUNTU_RELEASE=$(lsb_release -rs) # 18.04
 DISTRO=ubuntu${UBUNTU_RELEASE//\./} # ubuntu1804
-cuda_version="cuda12.0"
-cudnn_version="8.8.1.*"
 
 wget https://developer.download.nvidia.com/compute/cuda/repos/${DISTRO}/x86_64/cuda-${DISTRO}.pin 
 
@@ -26,5 +24,5 @@ sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda
 sudo add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/${DISTRO}/x86_64/ /"
 sudo apt-get update
 
-sudo apt-get install libcudnn8=${cudnn_version}-1+${cuda_version}
-sudo apt-get install libcudnn8-dev=${cudnn_version}-1+${cuda_version}
+sudo apt-get -y install cudnn9-cuda-12
+sudo apt-get -y install libcudnn9-dev-cuda-12
\ No newline at end of file
diff --git a/template/vars/taskcluster_version_firefoxci.yaml b/template/vars/taskcluster_version_firefoxci.yaml
index c3ec3cb..884e69d 100644
--- a/template/vars/taskcluster_version_firefoxci.yaml
+++ b/template/vars/taskcluster_version_firefoxci.yaml
@@ -1,3 +1,3 @@
 # This defines the current Taskcluster version, the default version for worker-runner and workers.
 env_vars:
-  TASKCLUSTER_VERSION: 64.3.0
+  TASKCLUSTER_VERSION: 75.0.0