diff --git a/package-lock.json b/package-lock.json
index 4fbd118..0ffd874 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@primer/css": "~21",
         "@primer/view-components": "^0.48.0",
         "autoprefixer": "^10.4.23",
-        "dompurify": "^3.3.1",
+        "dompurify": "^3.4.0",
         "jquery": "^3.7.1",
         "littlefoot": "^4.1.3",
         "magnific-popup": "^1.2.0",
@@ -731,9 +731,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.3.1.tgz",
-      "integrity": "sha512-qkdCKzLNtrgPFP1Vo+98FRzJnBRGe4ffyCea9IwHB1fyxPOeNTHpLKYGd4Uk9xvNoH0ZoOjwZxNptyMwqrId1Q==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.0.tgz",
+      "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/package.json b/package.json
index 8a4a0e4..fd2d645 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "@primer/css": "~21",
     "@primer/view-components": "^0.48.0",
     "autoprefixer": "^10.4.23",
-    "dompurify": "^3.3.1",
+    "dompurify": "^3.4.0",
     "jquery": "^3.7.1",
     "littlefoot": "^4.1.3",
     "magnific-popup": "^1.2.0",