diff --git a/packages/webviz-core/package-lock.json b/packages/webviz-core/package-lock.json
index 79451d5f2..0ffc6d6d2 100644
--- a/packages/webviz-core/package-lock.json
+++ b/packages/webviz-core/package-lock.json
@@ -701,7 +701,7 @@
     },
     "color-convert": {
       "version": "0.5.3",
-      "resolved": "http://registry.npmjs.org/color-convert/-/color-convert-0.5.3.tgz",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-0.5.3.tgz",
       "integrity": "sha1-vbbGnOZg+t/+CwAHzER+G59ygr0="
     },
     "color-name": {
@@ -921,7 +921,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs="
         }
       }
@@ -1871,9 +1871,9 @@
       "integrity": "sha1-uVdhLeJgFsmtnrYIfAVFc+USd3k="
     },
     "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/packages/webviz-core/package.json b/packages/webviz-core/package.json
index ad3cde4be..6d0bd1603 100644
--- a/packages/webviz-core/package.json
+++ b/packages/webviz-core/package.json
@@ -31,7 +31,7 @@
     "micro-memoize": "^3.0.1",
     "moment": "2.22.2",
     "moment-duration-format": "2.2.2",
-    "moment-timezone": "0.5.23",
+    "moment-timezone": "0.5.35",
     "monaco-vim": "0.1.3",
     "natsort": "2.0.0",
     "nearley": "2.15.1",