diff --git a/util/package.json b/util/package.json
index 21dc894..2f28fcd 100644
--- a/util/package.json
+++ b/util/package.json
@@ -4,6 +4,6 @@
   "main": "index.js",
   "license": "BSD3",
   "dependencies": {
-    "moment-timezone": "^0.5.10"
+    "moment-timezone": "^0.5.35"
   }
 }
diff --git a/util/yarn.lock b/util/yarn.lock
index ea9aaa5..21551f3 100644
--- a/util/yarn.lock
+++ b/util/yarn.lock
@@ -1,12 +1,13 @@
 # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
 # yarn lockfile v1
-moment-timezone:
-  version "0.5.9"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.9.tgz#e0ea82036d67d21d793544a91b5057f480eda2dd"
-  dependencies:
-    moment ">= 2.6.0"
 
-"moment@>= 2.6.0":
-  version "2.16.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.16.0.tgz#f38f2c97c9889b0ee18fc6cc392e1e443ad2da8e"
 
+moment-timezone@^0.5.35:
+  version "0.5.35"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.35.tgz#6fa2631bdbe8ff04f6b8753f7199516be6dc9839"
+  dependencies:
+    moment ">= 2.9.0"
+
+"moment@>= 2.9.0":
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"