diff --git a/.gitignore b/.gitignore
index 886d4b6..db8d52d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -433,3 +433,6 @@ src/EchoHub.Server/uploads/*
 # DocFx generated output
 docs/_site/
 docs/_api_meta/
+
+# Diff files
+*.diff