diff --git a/ansible/roles/osmocom-jenkins-slave/tasks/ttcn3-slave.yml b/ansible/roles/osmocom-jenkins-slave/tasks/ttcn3-slave.yml
index 227aad99..d883e536 100644
--- a/ansible/roles/osmocom-jenkins-slave/tasks/ttcn3-slave.yml
+++ b/ansible/roles/osmocom-jenkins-slave/tasks/ttcn3-slave.yml
@@ -16,11 +16,11 @@
 
 - name: add apt.key
   apt_key:
-    url: https://download.opensuse.org/repositories/network:/osmocom:/latest/Debian_9.0/Release.key
+    url: https://download.opensuse.org/repositories/network:/osmocom:/latest/Debian_{{ ansible_distribution_version}}/Release.key
 
 - name: add apt repository
   apt_repository:
-    repo: "deb http://download.opensuse.org/repositories/network:/osmocom:/latest/Debian_9.0/ ./"
+    repo: "deb http://download.opensuse.org/repositories/network:/osmocom:/latest/Debian_{{ ansible_distribution_version }}/ ./"
     filename: obs_osmocom
     update_cache: yes