diff --git a/changelogs/unreleased/27291-unify-mr-diff-file-buttons.yml b/changelogs/unreleased/27291-unify-mr-diff-file-buttons.yml
new file mode 100644
index 0000000000000000000000000000000000000000..293aab67d396c284d3f2616e12c6acff2a48cff1
--- /dev/null
+++ b/changelogs/unreleased/27291-unify-mr-diff-file-buttons.yml
@@ -0,0 +1,4 @@
+---
+title: Unify MR diff file button style
+merge_request: 8874
+author: