diff --git a/package-lock.json b/package-lock.json
index d4e6d46e5..968db5ea4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4222,6 +4222,12 @@
       "integrity": "sha512-l42BggppR6zLmpfU6fq9HEa2oGPEI8yrSPL3GITjfRInppYFahObbIQOQK3UGxEnyQpltZLaPe75046NOZQikw==",
       "dev": true
     },
+    "@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "optional": true
+    },
     "@types/wait-on": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/@types/wait-on/-/wait-on-4.0.0.tgz",
@@ -7255,9 +7261,12 @@
       }
     },
     "dompurify": {
-      "version": "2.2.8",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.2.8.tgz",
-      "integrity": "sha512-9H0UL59EkDLgY3dUFjLV6IEUaHm5qp3mxSqWw7Yyx4Zhk2Jn2cmLe+CNPP3xy13zl8Bqg+0NehQzkdMoVhGRww=="
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.4.tgz",
+      "integrity": "sha512-ysFSFEDVduQpyhzAob/kkuJjf5zWkZD8/A9ywSp1byueyuCfHamrCBa14/Oc2iiB0e51B+NpxSl5gmzn+Ms/mg==",
+      "requires": {
+        "@types/trusted-types": "^2.0.7"
+      }
     },
     "domutils": {
       "version": "1.7.0",
@@ -13703,17 +13712,17 @@
       "dev": true,
       "requires": {
         "chokidar": "^2.0.4",
-        "colors": "^1.4.0",
+        "colors": "latest",
         "connect": "^3.6.6",
-        "cors": "^2.8.5",
+        "cors": "latest",
         "event-stream": "3.3.4",
         "faye-websocket": "0.11.x",
         "http-auth": "3.1.x",
         "morgan": "^1.9.1",
-        "object-assign": "^4.1.1",
-        "opn": "^6.0.0",
-        "proxy-middleware": "^0.15.0",
-        "send": "^0.17.1",
+        "object-assign": "latest",
+        "opn": "latest",
+        "proxy-middleware": "latest",
+        "send": "latest",
         "serve-index": "^1.9.1"
       },
       "dependencies": {
diff --git a/package.json b/package.json
index f48bca253..232b51486 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "*.js": "eslint --fix"
   },
   "dependencies": {
-    "dompurify": "^2.2.8",
+    "dompurify": "^3.2.4",
     "marked": "^1.2.9",
     "medium-zoom": "^1.0.6",
     "opencollective-postinstall": "^2.0.2",