diff --git a/package-lock.json b/package-lock.json
index b167829..a48903b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3202,9 +3202,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "moment-timezone": {
-      "version": "0.5.28",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.28.tgz",
-      "integrity": "sha512-TDJkZvAyKIVWg5EtVqRzU97w0Rb0YVbfpqyjgu6GwXCAohVRqwZjf4fOzDE6p1Ch98Sro/8hQQi65WDXW5STPw==",
+      "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 3c2fcd4..e1d935b 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "d3": "^5.16.0",
     "d3-svg-legend": "^2.25.6",
     "moment": "^2.24.0",
-    "moment-timezone": "^0.5.28",
+    "moment-timezone": "^0.5.35",
     "sirv-cli": "^0.4.4",
     "svelte-spa-router": "^2.1.0",
     "topojson-client": "^3.1.0"