diff --git a/Scripts/prepare_release.sh b/Scripts/prepare_release.sh
index 37696213..ad67502a 100755
--- a/Scripts/prepare_release.sh
+++ b/Scripts/prepare_release.sh
@@ -38,7 +38,9 @@ TEMP_CHANGELOG=$(mktemp)
 } > "$TEMP_CHANGELOG"
 
 # Replace the original file
-mv "$TEMP_CHANGELOG" CHANGELOG.md
+if ! grep -q "tag/$NEW_VERSION)" CHANGELOG.md; then
+    mv "$TEMP_CHANGELOG" CHANGELOG.md
+fi
 
 # 2. Update version in SwiftFormat.podspec.json
 echo "Updating SwiftFormat.podspec.json..."