diff --git a/check-version.sh b/check-version.sh
new file mode 100644
index 0000000..4134fa5
--- /dev/null
+++ b/check-version.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Github repository
+REPO="fanf2/unifdef"
+
+# Get tag name using Github Rest API
+TAG_NAME=$(curl -s -L -H "X-GitHub-Api-Version: 2022-11-28" -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/"$REPO"/tags | jq -r '.[0].name')
+
+# Trim prefix
+VERSION=${TAG_NAME//unifdef-/}
+
+echo "$VERSION"