diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4ac3127e4..ccba65fa1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -397,8 +397,8 @@ catalogs:
       specifier: 5.10.1
       version: 5.10.1
     isomorphic-dompurify:
-      specifier: ^3.8.0
-      version: 3.8.0
+      specifier: ^3.9.0
+      version: 3.9.0
     jotai:
       specifier: ^2.19.1
       version: 2.19.1
@@ -843,7 +843,7 @@ importers:
         version: 13.0.6
       isomorphic-dompurify:
         specifier: 'catalog:'
-        version: 3.8.0(@noble/hashes@2.0.1)
+        version: 3.9.0(@noble/hashes@2.0.1)
       jotai:
         specifier: 'catalog:'
         version: 2.19.1(@babel/core@7.26.0)(@babel/template@7.28.6)(@types/react@19.2.14)(react@19.2.5)
@@ -6900,6 +6900,9 @@ packages:
   dompurify@3.3.3:
     resolution: {integrity: sha512-Oj6pzI2+RqBfFG+qOaOLbFXLQ90ARpcGG6UePL82bJLtdsa6CYJD7nmiU8MW9nQNOtCHV3lZ/Bzq1X0QYbBZCA==}
 
+  dompurify@3.4.0:
+    resolution: {integrity: sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==}
+
   dot-prop@5.3.0:
     resolution: {integrity: sha512-QM8q3zDe58hqUqjraQOmzZ1LIH9SWQJTlEKCH4kJ2oQvLZk7RbQXvtDM2XEq3fwkV9CCvvH4LA0AV+ogFsBM2Q==}
     engines: {node: '>=8'}
@@ -8135,8 +8138,8 @@ packages:
     resolution: {integrity: sha512-6B3tLtFqtQS4ekarvLVMZ+X+VlvQekbe4taUkf/rhVO3d/h0M2rfARm/pXLcPEsjjMsFgrFgSrhQIxcSVrBz8w==}
     engines: {node: '>=18'}
 
-  isomorphic-dompurify@3.8.0:
-    resolution: {integrity: sha512-W2u6DS4nsbEU2m+Pb8xuLBJIDHTA30DRD+d9TczkXyLbea0Whmqn3g+pq8iNkUYdFP2qxp/PeqTXC0gIkfCTKA==}
+  isomorphic-dompurify@3.9.0:
+    resolution: {integrity: sha512-3REwJAnIqjWO7qbfyKWMBI7hUHFhqUor7weFG3WbJW6Enq3V7cx60QuurWjGUXxbX57Iy4RJIkAZFObAqiqpxw==}
     engines: {node: ^20.19.0 || ^22.13.0 || >=24.0.0}
 
   isomorphic-fetch@3.0.0:
@@ -15397,6 +15400,10 @@ snapshots:
     optionalDependencies:
       '@types/trusted-types': 2.0.7
 
+  dompurify@3.4.0:
+    optionalDependencies:
+      '@types/trusted-types': 2.0.7
+
   dot-prop@5.3.0:
     dependencies:
       is-obj: 2.0.0
@@ -16752,9 +16759,9 @@ snapshots:
   isexe@3.1.5:
     optional: true
 
-  isomorphic-dompurify@3.8.0(@noble/hashes@2.0.1):
+  isomorphic-dompurify@3.9.0(@noble/hashes@2.0.1):
     dependencies:
-      dompurify: 3.3.3
+      dompurify: 3.4.0
       jsdom: 29.0.2(@noble/hashes@2.0.1)
     transitivePeerDependencies:
       - '@noble/hashes'
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 84b2de446..3e71b2ede 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -138,7 +138,7 @@ catalog:
   glob: ^13.0.6
   ical.js: ^2.2.1
   ioredis: 5.10.1
-  isomorphic-dompurify: ^3.8.0
+  isomorphic-dompurify: ^3.9.0
   jotai: ^2.19.1
   jsdom: ^29.0.2
   json5: ^2.2.3