diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 5990d9c..debd3c9 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,7 +5,7 @@
 
 version: 2
 updates:
-  - package-ecosystem: "" # See documentation for possible values
+  - package-ecosystem: "docker" # See documentation for possible values
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"