diff --git a/package-lock.json b/package-lock.json
index ea33f24fa..a327f0fbe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
     },
     "examples/arithmetics": {
       "name": "langium-arithmetics-dsl",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "MIT",
       "dependencies": {
         "chalk": "~4.1.2",