diff --git a/package-lock.json b/package-lock.json
index c96a371..d67f49a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -794,9 +794,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "moment-timezone": {
-      "version": "0.5.23",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.23.tgz",
-      "integrity": "sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
         "moment": ">= 2.9.0"
       }
diff --git a/package.json b/package.json
index c22baf2..96a9b81 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "ics-to-json": "^1.0.0",
     "luxon": "^1.11.3",
     "moment": "^2.24.0",
-    "moment-timezone": "^0.5.23",
+    "moment-timezone": "^0.5.35",
     "request": "^2.88.0",
     "rrule": "^2.6.0"
   },