diff --git a/crates/kingfisher-rules/data/rules/dockerhub.yml b/crates/kingfisher-rules/data/rules/dockerhub.yml
index e0ac85c..53d9a1f 100644
--- a/crates/kingfisher-rules/data/rules/dockerhub.yml
+++ b/crates/kingfisher-rules/data/rules/dockerhub.yml
@@ -100,4 +100,4 @@ rules:
               status: [200]
             - type: WordMatch
               words:
-                - '"access_token"'
\ No newline at end of file
+                - '"access_token"'