diff --git a/package.json b/package.json
index 076286b659..300a97f589 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "weak-lru-cache": "^0.4.1"
   },
   "optionalDependencies": {
-    "msgpackr": "^1.2.8"
+    "msgpackr": "^1.2.9"
   },
   "devDependencies": {
     "@types/node": "latest",