diff --git a/gistbrowser/package.json b/gistbrowser/package.json
index d5c309e..7ae9524 100644
--- a/gistbrowser/package.json
+++ b/gistbrowser/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "bootstrap": "4.0.0-beta.2",
-    "moment": "^2.20.1",
+    "moment": "^2.29.1",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "react-highlight": "^0.10.0",
diff --git a/gistbrowser/yarn.lock b/gistbrowser/yarn.lock
index 8dbd5e6..db9cbfd 100644
--- a/gistbrowser/yarn.lock
+++ b/gistbrowser/yarn.lock
@@ -4227,9 +4227,10 @@ mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdi
   dependencies:
     minimist "0.0.8"
 
-moment@^2.20.1:
-  version "2.20.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.20.1.tgz#d6eb1a46cbcc14a2b2f9434112c1ff8907f313fd"
+moment@^2.29.1:
+  version "2.29.1"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.1.tgz#b2be769fa31940be9eeea6469c075e35006fa3d3"
+  integrity sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ==
 
 ms@2.0.0:
   version "2.0.0"