diff --git a/packages/playground/package.json b/packages/playground/package.json
index 7eb040d3..91f00b18 100644
--- a/packages/playground/package.json
+++ b/packages/playground/package.json
@@ -26,7 +26,7 @@
     "lodash": "4.17.15",
     "mathjs": "10.4.1",
     "moduleserve": "0.9.1",
-    "moment": "2.24.0",
+    "moment": "2.29.1",
     "pdfast": "^0.2.0",
     "rationale": "0.2.0",
     "react": "17.0.2",