diff --git a/action.yml b/action.yml
index 9a8bd9f..dc7b282 100644
--- a/action.yml
+++ b/action.yml
@@ -7,7 +7,7 @@ runs:
   using: "composite"
   steps:
   - name: Check out repository code
-    uses: actions/checkout@v3
+    uses: actions/checkout@v2
     with:
       fetch-depth: 0
   - name: Check for changes in changelog
diff --git a/check.sh b/check.sh
index 51d77f9..c55cbc8 100755
--- a/check.sh
+++ b/check.sh
@@ -7,7 +7,7 @@ if [ "${NO_CHANGELOG_LABEL}" = "true" ]; then
 else
     # a changelog check is required
     # fail if the diff is empty
-    if git diff --exit-code "origin/${BASE_REF}" -- CHANGES.md; then
+    if git diff --exit-code "origin/${BASE_REF}" -- CHANGE-LOG-2023.md; then
         >&2 echo "User-visible changes should come with an entry in the changelog. This behavior
 can be overridden by using the \"no changelog\" label, which is used for changes
 that are not user-visible."