diff --git a/package.json b/package.json
index 0271e7bb..3f9247a1 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
 		"croner": "^10.0.1",
 		"hash-wasm": "^4.12.0",
 		"ioredis": "^5.11.1",
-		"isomorphic-dompurify": "^3.20.0",
+		"isomorphic-dompurify": "^3.21.0",
 		"jpeg-js": "^0.4.4",
 		"json5": "^2.2.3",
 		"jszip": "^3.10.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f042fd5d..12633565 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -66,8 +66,8 @@ importers:
         specifier: ^5.11.1
         version: 5.11.1
       isomorphic-dompurify:
-        specifier: ^3.20.0
-        version: 3.20.0(@noble/hashes@2.2.0)
+        specifier: ^3.21.0
+        version: 3.21.0(@noble/hashes@2.2.0)
       jpeg-js:
         specifier: ^0.4.4
         version: 0.4.4
@@ -3300,8 +3300,8 @@ packages:
   isexe@2.0.0:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
 
-  isomorphic-dompurify@3.20.0:
-    resolution: {integrity: sha512-WH3UcdmOrqLJF6qHaGnGINNMRwkQXVtvxlhEdygP3FdbuPjfFEsvjaqA5E16uYlNvAT5uGqK4MPvJBvtTtriEA==}
+  isomorphic-dompurify@3.21.0:
+    resolution: {integrity: sha512-Bg5mqtMnMdBBwz7MjvH3oAuLOA/j0xtawVkcAZsOpVhOsfaLYwnAvhEvz94f8585Q6LCnnNr2XNApbXlB0J3GQ==}
     engines: {node: ^22.22.2 || ^24.15.0 || >=26.0.0}
 
   istanbul-lib-coverage@3.2.2:
@@ -7221,7 +7221,7 @@ snapshots:
 
   isexe@2.0.0: {}
 
-  isomorphic-dompurify@3.20.0(@noble/hashes@2.2.0):
+  isomorphic-dompurify@3.21.0(@noble/hashes@2.2.0):
     dependencies:
       dompurify: 3.4.12
       jsdom: 30.0.1(@noble/hashes@2.2.0)