diff --git a/scripts/bump.sh b/scripts/bump.sh
index 947aba6..27ffb52 100644
--- a/scripts/bump.sh
+++ b/scripts/bump.sh
@@ -2,8 +2,14 @@
 
 set -euo pipefail
 
-VERSION="$(git cliff --bumped-version)"
-VERSION_CLEAN="${VERSION#v}"
+VERSION_CLEAN="$(git cliff --bumped-version)"
+if [[ ! $VERSION_CLEAN =~ ^[0-9] ]]; then
+    echo "Error: VERSION_CLEAN does not start with a number"
+    exit 1
+fi
+VERSION="v${VERSION_CLEAN}"
+
+
 sed -i "s/^version = \".*\"/version = \"${VERSION_CLEAN}\"/" Cargo.toml
 cargo check