diff --git a/package-lock.json b/package-lock.json
index 8e1f06b8d4..8347b66496 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "classnames": "2.5.1",
         "core-js": "3.49.0",
         "date-fns": "2.30.0",
-        "dompurify": "2.5.9",
+        "dompurify": "3.4.17",
         "element-closest-polyfill": "1.0.7",
         "epubjs": "0.3.93",
         "escape-html": "1.0.3",
@@ -6654,7 +6654,7 @@
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/@types/trusted-types/-/trusted-types-2.0.7.tgz",
       "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
-      "dev": true
+      "devOptional": true
     },
     "node_modules/@types/unist": {
       "version": "2.0.3",
@@ -10299,10 +10299,13 @@
       ]
     },
     "node_modules/dompurify": {
-      "version": "2.5.9",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-2.5.9.tgz",
-      "integrity": "sha512-i6mvVmWN4xo9LrhCOZrDgSs9noW6nOahbrmzjRbPF36YPyj5Ue5lgok0MHDWkG7xzpWFO2OYttXdzM7rJxHvNA==",
-      "license": "(MPL-2.0 OR Apache-2.0)"
+      "version": "3.4.17",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.17.tgz",
+      "integrity": "sha512-B/pSlYVHQ58kqISD/yDjuJ1yfzI34m1gF4lAod2bwSRhiN4K5Cl3H8Af7hqB2PmTL911tdEudnnXn5FnhRoz0w==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
     },
     "node_modules/domutils": {
       "version": "1.7.0",
diff --git a/package.json b/package.json
index e76ca42b41..f3292f9192 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "classnames": "2.5.1",
     "core-js": "3.49.0",
     "date-fns": "2.30.0",
-    "dompurify": "2.5.9",
+    "dompurify": "3.4.17",
     "element-closest-polyfill": "1.0.7",
     "epubjs": "0.3.93",
     "escape-html": "1.0.3",