diff --git a/package-lock.json b/package-lock.json
index 52ebd98e3..168e756d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "jig-js-tests",
       "devDependencies": {
-        "dompurify": "3.4.11",
+        "dompurify": "3.4.12",
         "jsdom": "^29.1.1",
         "stylelint": "^17.14.0",
         "stylelint-config-recommended": "^18.0.0"
@@ -677,9 +677,9 @@
       "license": "MIT"
     },
     "node_modules/dompurify": {
-      "version": "3.4.11",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.11.tgz",
-      "integrity": "sha512-zhlUV12GsaRzMsf9q5M254YhA4+VuF0fG+QFqu6aYpoGlKtz+w8//jBcGVYBgQkR5GHjUomejY84AV+/uPbWdw==",
+      "version": "3.4.12",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.12.tgz",
+      "integrity": "sha512-zQvGet8Z2sWbQhCmfFz/T5QWH2oBmjnqK3qvOjaqaNLrLEF912WamU+ohnTp0TCep/MFVHpdJuCZEdFOdTnEFg==",
       "dev": true,
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
diff --git a/package.json b/package.json
index d3deeeb88..a72158834 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "lint:css": "stylelint \"jig-core/src/main/resources/templates/**/*.css\""
   },
   "devDependencies": {
-    "dompurify": "3.4.11",
+    "dompurify": "3.4.12",
     "jsdom": "^29.1.1",
     "stylelint": "^17.14.0",
     "stylelint-config-recommended": "^18.0.0"