diff --git a/postgres/tasks/main.yml b/postgres/tasks/main.yml
index 5e7a73d937b63c6062094b2c86e1a014d3d3ae3b..44c122131208ff8585259867f6cf8c0548f0b20a 100644
--- a/postgres/tasks/main.yml
+++ b/postgres/tasks/main.yml
@@ -3,7 +3,7 @@
 - name: ensure postgres packages are installed
   apt:
     name:
-      - postgresql
+      - postgresql{{ "-{}".format(postgres_version) if postgres_version is defined }}
       - python-psycopg2
       - python3-psycopg2
       - libpq-dev