diff --git a/packages/markdown-parser/package.json b/packages/markdown-parser/package.json
index d794f70..8200147 100644
--- a/packages/markdown-parser/package.json
+++ b/packages/markdown-parser/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "@dialectos/security": "workspace:*",
     "@dialectos/types": "workspace:*",
-    "isomorphic-dompurify": "^3.15.0",
+    "isomorphic-dompurify": "^3.16.0",
     "marked": "^18.0.5",
     "zod": "^4.4.3"
   },
diff --git a/packages/security/package.json b/packages/security/package.json
index 7b6b143..af6dd1b 100644
--- a/packages/security/package.json
+++ b/packages/security/package.json
@@ -19,7 +19,7 @@
     "clean": "rm -rf dist"
   },
   "dependencies": {
-    "isomorphic-dompurify": "^3.15.0",
+    "isomorphic-dompurify": "^3.16.0",
     "zod": "^4.4.3"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b2ed55f..d534ff9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -88,8 +88,8 @@ importers:
         specifier: workspace:*
         version: link:../types
       isomorphic-dompurify:
-        specifier: ^3.15.0
-        version: 3.15.0
+        specifier: ^3.16.0
+        version: 3.16.0
       marked:
         specifier: ^18.0.5
         version: 18.0.5
@@ -166,8 +166,8 @@ importers:
   packages/security:
     dependencies:
       isomorphic-dompurify:
-        specifier: ^3.15.0
-        version: 3.15.0
+        specifier: ^3.16.0
+        version: 3.16.0
       zod:
         specifier: ^4.4.3
         version: 4.4.3
@@ -264,8 +264,8 @@ packages:
     peerDependencies:
       '@csstools/css-tokenizer': ^4.0.0
 
-  '@csstools/css-syntax-patches-for-csstree@1.1.4':
-    resolution: {integrity: sha512-wgsqt92b7C7tQhIdPNxj0n9zuUbQlvAuI1exyzeNrOKOi62SD7ren8zqszmpVREjAOqg8cD2FqYhQfAuKjk4sw==}
+  '@csstools/css-syntax-patches-for-csstree@1.1.5':
+    resolution: {integrity: sha512-oNjBvzLq2GPZtJphCjLqXow/cHySHSgtxvKZb7OqSZ/xHgw6NWNhfad+6AB9cLeVm6eA9d/qMll3JdEHjy6M+A==}
     peerDependencies:
       css-tree: ^3.2.1
     peerDependenciesMeta:
@@ -752,8 +752,8 @@ packages:
     resolution: {integrity: sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==}
     engines: {node: '>=8'}
 
-  dompurify@3.4.7:
-    resolution: {integrity: sha512-2jBxDJY4RR06tQNy4w5FlFH7kfxsQZlufd0sbv+chfHCxeJwrFw2baUDsSwvBISD4K4RDbd0PTfy3uNXsR6siA==}
+  dompurify@3.4.8:
+    resolution: {integrity: sha512-yb1cEmaOum7wFvOCSQxyfgVlv5D47Rc30iZWoMpbDIWTnJ6grDDQyu2KFJzB2k7u0pMuJcQ1zphH//fFnw2tjQ==}
 
   dunder-proto@1.0.1:
     resolution: {integrity: sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==}
@@ -920,8 +920,8 @@ packages:
   isexe@2.0.0:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
 
-  isomorphic-dompurify@3.15.0:
-    resolution: {integrity: sha512-9ZtkbQ8+SgNf6LuDAdu9bq23dVXMIGNM8ZYnyl2MufyZiSD5dqAUJcyjtYZz7B80HuPpEn/f0NCS6zKvavHtfA==}
+  isomorphic-dompurify@3.16.0:
+    resolution: {integrity: sha512-KzTJsMuVPqPwBOD0F6jKXoV/+v8CSx0rxVp+/67KV6Xbw++0zD/avT3bZsgwR0M5QRMiOE+QqQtoZLEJYy1C4Q==}
     engines: {node: ^20.19.0 || ^22.13.0 || >=24.0.0}
 
   istanbul-lib-coverage@3.2.2:
@@ -1281,8 +1281,8 @@ packages:
   undici-types@7.24.6:
     resolution: {integrity: sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==}
 
-  undici@7.26.0:
-    resolution: {integrity: sha512-3O9Tf67pGhgOv9jM35AbhkXAKi13f3oy3aE4CSgr+TckGeY+/iu97ZXN+J7DpHPzLbVApFd1IFhcnBjREYXYcg==}
+  undici@7.27.2:
+    resolution: {integrity: sha512-uZsKNuzQxDMUY6M3pIMvy5tvlGmtq8XJ2oLAkfRKGNu+1VQAIvLy2xIVG5ATZl5wDXl/tddByAWCizRbOme+TA==}
     engines: {node: '>=20.18.1'}
 
   unpipe@1.0.0:
@@ -1477,7 +1477,7 @@ snapshots:
     dependencies:
       '@csstools/css-tokenizer': 4.0.0
 
-  '@csstools/css-syntax-patches-for-csstree@1.1.4(css-tree@3.2.1)':
+  '@csstools/css-syntax-patches-for-csstree@1.1.5(css-tree@3.2.1)':
     optionalDependencies:
       css-tree: 3.2.1
 
@@ -1848,7 +1848,7 @@ snapshots:
   detect-libc@2.1.2:
     optional: true
 
-  dompurify@3.4.7:
+  dompurify@3.4.8:
     optionalDependencies:
       '@types/trusted-types': 2.0.7
 
@@ -2047,9 +2047,9 @@ snapshots:
 
   isexe@2.0.0: {}
 
-  isomorphic-dompurify@3.15.0:
+  isomorphic-dompurify@3.16.0:
     dependencies:
-      dompurify: 3.4.7
+      dompurify: 3.4.8
       jsdom: 29.1.1
     transitivePeerDependencies:
       - '@noble/hashes'
@@ -2077,7 +2077,7 @@ snapshots:
       '@asamuzakjp/css-color': 5.1.11
       '@asamuzakjp/dom-selector': 7.1.1
       '@bramus/specificity': 2.4.2
-      '@csstools/css-syntax-patches-for-csstree': 1.1.4(css-tree@3.2.1)
+      '@csstools/css-syntax-patches-for-csstree': 1.1.5(css-tree@3.2.1)
       '@exodus/bytes': 1.15.1
       css-tree: 3.2.1
       data-urls: 7.0.0
@@ -2089,7 +2089,7 @@ snapshots:
       saxes: 6.0.0
       symbol-tree: 3.2.4
       tough-cookie: 6.0.1
-      undici: 7.26.0
+      undici: 7.27.2
       w3c-xmlserializer: 5.0.0
       webidl-conversions: 8.0.1
       whatwg-mimetype: 5.0.0
@@ -2413,7 +2413,7 @@ snapshots:
 
   undici-types@7.24.6: {}
 
-  undici@7.26.0: {}
+  undici@7.27.2: {}
 
   unpipe@1.0.0: {}