diff --git a/digdag-ui/package-lock.json b/digdag-ui/package-lock.json
index e3b7a6df3c..bddb3e2a07 100644
--- a/digdag-ui/package-lock.json
+++ b/digdag-ui/package-lock.json
@@ -7893,9 +7893,9 @@
       }
     },
     "moment": {
-      "version": "2.22.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.22.2.tgz",
-      "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "moment-duration-format": {
       "version": "1.3.0",
diff --git a/digdag-ui/package.json b/digdag-ui/package.json
index 8e683c1e12..3c8722fdc5 100644
--- a/digdag-ui/package.json
+++ b/digdag-ui/package.json
@@ -32,7 +32,7 @@
     "lodash": "^4.17.13",
     "lru-cache": "4.0.2",
     "macaddress": "0.2.9",
-    "moment": "^2.22.1",
+    "moment": "^2.29.4",
     "moment-duration-format": "1.3.0",
     "pako": "1.0.5",
     "path": "0.12.7",