diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ac30891d9c..224916fd3b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
       - id: changed-files
         name: Get changed files
-        uses: tj-actions/changed-files@v45
+        uses: tj-actions/changed-files@4edd678ac3f81e2dc578756871e4d00c19191daf # v45.0.4
 
       - id: set-modified-modules
         name: Set all modified modules