diff --git a/packer/provisioners/ansible/group_vars/all.yml b/packer/provisioners/ansible/group_vars/all.yml
index 0f4dbd7..afc70fa 100644
--- a/packer/provisioners/ansible/group_vars/all.yml
+++ b/packer/provisioners/ansible/group_vars/all.yml
@@ -22,9 +22,9 @@ zlib_async_timeout: 300 # seconds (5 minutes)
 zlib_async_check_interval: 15 # seconds
 zlib_async_check_retries: 20
 
-hdf5_async_timeout: 3600 # seconds (60 minutes)
-hdf5_async_check_interval: 60 # seconds
-hdf5_async_check_retries: 60
+hdf5_async_timeout: 7200 # seconds (60 minutes)
+hdf5_async_check_interval: 120 # seconds
+hdf5_async_check_retries: 80
 
 netcdf_c_async_timeout: 1800 # seconds (30 minutes)
 netcdf_c_async_check_interval: 120 # seconds
diff --git a/packer/provisioners/ansible/roles/maven/vars/main.yml b/packer/provisioners/ansible/roles/maven/vars/main.yml
index c4e4434..9006a59 100644
--- a/packer/provisioners/ansible/roles/maven/vars/main.yml
+++ b/packer/provisioners/ansible/roles/maven/vars/main.yml
@@ -1,3 +1,3 @@
 ---
 mvn_install_dir: "{{ install_dir }}/mvn"
-maven_version: 3.6.3
+maven_version: 3.9.8
diff --git a/packer/provisioners/scripts/bootstrap_last_aws.sh b/packer/provisioners/scripts/bootstrap_last_aws.sh
index 405f619..7480569 100644
--- a/packer/provisioners/scripts/bootstrap_last_aws.sh
+++ b/packer/provisioners/scripts/bootstrap_last_aws.sh
@@ -7,6 +7,6 @@ if [ "$EUID" -ne 0 ]; then
     SUDO_CMD="sudo"
 fi
 
-# Need openjdk-11-jre-headless so that jenkins can connect to worker nodes
+# Need openjdk-xx-jre-headless so that jenkins can connect to worker nodes
 # using this ami.
-${SUDO_CMD} apt install --yes openjdk-11-jre-headless
+${SUDO_CMD} apt install --yes openjdk-17-jre-headless