diff --git a/postgresql/tasks/packages_buster.yml b/postgresql/tasks/packages_buster.yml
index 12093e0a..3f45e84c 100644
--- a/postgresql/tasks/packages_buster.yml
+++ b/postgresql/tasks/packages_buster.yml
@@ -1,5 +1,8 @@
 ---
 
+- include: pgdg-repo.yml
+  when: postgresql_version != '11'
+
 - name: Install postgresql package
   apt:
     name:
diff --git a/postgresql/tasks/packages_stretch.yml b/postgresql/tasks/packages_stretch.yml
index 6a500a43..d6a3aa5e 100644
--- a/postgresql/tasks/packages_stretch.yml
+++ b/postgresql/tasks/packages_stretch.yml
@@ -1,5 +1,8 @@
 ---
 
+- include: pgdg-repo.yml
+  when: postgresql_version != '9.6'
+
 - name: Install postgresql package
   apt:
     name: