diff --git a/package.json b/package.json
index 4a348a76..6a4a002e 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   },
   "dependencies": {
     "geobuf": "^3.0.0",
-    "moment-timezone": "0.5.8",
+    "moment-timezone": "0.5.9",
     "pbf": "^3.0.2",
     "turf-inside": "^3.0.5",
     "turf-point": "^2.0.0"