diff --git a/ansible/tljh.yml b/ansible/tljh.yml
index 446de11..7f2dd2d 100644
--- a/ansible/tljh.yml
+++ b/ansible/tljh.yml
@@ -28,6 +28,7 @@
       shell: |
         {{ ansible_python_interpreter }} {{ tljh_installer_dest }} \
           --plugin {{ tljh_plasma }} {{ tljh_repo2docker }}
+          --version {{ tljh_version }}
 
     - name: Set the idle culler timeout to 1 hour
       shell: "tljh-config set services.cull.timeout 3600"
diff --git a/ansible/vars/default.yml b/ansible/vars/default.yml
index a960f4e..53f48c3 100644
--- a/ansible/vars/default.yml
+++ b/ansible/vars/default.yml
@@ -5,5 +5,6 @@ tljh_repo2docker: git+https://github.com/plasmabio/tljh-repo2docker@master
 tljh_installer_dest: /srv/tljh-installer.py
 tljh_prefix: /opt/tljh
 tljh_installer_url: https://tljh.jupyter.org/bootstrap.py
+tljh_version: 1.0.0
 
 ...