diff --git a/.github/workflows/post-releasenotes.yml b/.github/workflows/post-releasenotes.yml
index 723e461c5..42f4565c2 100644
--- a/.github/workflows/post-releasenotes.yml
+++ b/.github/workflows/post-releasenotes.yml
@@ -32,5 +32,5 @@ jobs:
         repository: subsurface/nightly-builds
         token: ${{ secrets.NIGHTLY_BUILDS }}
         prerelease: false
-        files: gh_release_notes
+        files: gh_release_notes.md
         body_path: gh_release_notes
diff --git a/.gitignore b/.gitignore
index b22414b26..ce8a5bed8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,3 +47,4 @@ packaging/ios/Qt
 packaging/ios/asset_catalog_compiler.Info.plist
 appdata/subsurface.appdata.xml
 android-mobile/Roboto-Regular.ttf
+gh_release_notes.md
diff --git a/gh_release_notes_bottom b/gh_release_notes_bottom.md
similarity index 100%
rename from gh_release_notes_bottom
rename to gh_release_notes_bottom.md
diff --git a/gh_release_notes_top b/gh_release_notes_top.md
similarity index 100%
rename from gh_release_notes_top
rename to gh_release_notes_top.md
diff --git a/scripts/create-releasenotes.sh b/scripts/create-releasenotes.sh
old mode 100644
new mode 100755
index 0f94dd992..1a81b29fe
--- a/scripts/create-releasenotes.sh
+++ b/scripts/create-releasenotes.sh
@@ -6,7 +6,7 @@
 
 json=$(gh pr list -s merged -S "$1" --json title,number,url)
 
-cp gh_release_notes_top gh_release_notes
+cp gh_release_notes_top.md gh_release_notes.md
 if [[ $json != "[]" ]]; then
 (
 	echo -n 'This build was created by [merging pull request '
@@ -16,11 +16,11 @@ if [[ $json != "[]" ]]; then
 	echo -n ')]('
 	echo -n $json | jq -j '.[0]|{url}|join(" ")'
 	echo ' )'
-) >> gh_release_notes
+) >> gh_release_notes.md
 else
 (
 	echo "This build was created by directly pushing to the Subsurface repo."
 	echo "The latest commit was [$(git log --pretty=format:"%an: '%s'" -n1)](https://github.com/subsurface/subsurface/commit/$1 )"
-) >> gh_release_notes
+) >> gh_release_notes.md
 fi
-cat gh_release_notes_bottom >> gh_release_notes
+cat gh_release_notes_bottom.md >> gh_release_notes.md