cdn.info.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cdn.info.yml b/cdn.info.yml
index 8a1b258..6e9f40b 100644
--- a/cdn.info.yml
+++ b/cdn.info.yml
@@ -3,3 +3,6 @@ description: "Serves assets (CSS, JS, images …) from a CDN."
 type: module
 core: 8.x
 package: "Web services"
+dependencies:
+  # https://www.drupal.org/node/2573635 landed in Drupal 8.1.3.
+  - drupal:system (>= 8.1.3)