diff --git a/package.json b/package.json
index 6217186cd05..6066bb7cca1 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
-    "dompurify": "^3.3.3",
+    "dompurify": "^3.4.0",
     "electron-updater": "^6.8.3",
     "hosted-git-info": "^9.0.2",
     "lowlight": "^3.3.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 47a1fd798e0..528c2638b10 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -116,8 +116,8 @@ importers:
         specifier: ^1.1.1
         version: 1.1.1(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       dompurify:
-        specifier: ^3.3.3
-        version: 3.3.3
+        specifier: ^3.4.0
+        version: 3.4.0
       electron-updater:
         specifier: ^6.8.3
         version: 6.8.3
@@ -3529,8 +3529,8 @@ packages:
   dompurify@3.2.7:
     resolution: {integrity: sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==}
 
-  dompurify@3.3.3:
-    resolution: {integrity: sha512-Oj6pzI2+RqBfFG+qOaOLbFXLQ90ARpcGG6UePL82bJLtdsa6CYJD7nmiU8MW9nQNOtCHV3lZ/Bzq1X0QYbBZCA==}
+  dompurify@3.4.0:
+    resolution: {integrity: sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==}
 
   dotenv-expand@11.0.7:
     resolution: {integrity: sha512-zIHwmZPRshsCdpMDyVsqGmgyP0yT8GAgXUnkdAoJisxvf33k7yO6OuoKmcTGuXPWSsm8Oh88nZicRLA9Y0rUeA==}
@@ -9240,7 +9240,7 @@ snapshots:
     optionalDependencies:
       '@types/trusted-types': 2.0.7
 
-  dompurify@3.3.3:
+  dompurify@3.4.0:
     optionalDependencies:
       '@types/trusted-types': 2.0.7
 
@@ -10470,7 +10470,7 @@ snapshots:
       d3-sankey: 0.12.3
       dagre-d3-es: 7.0.14
       dayjs: 1.11.20
-      dompurify: 3.3.3
+      dompurify: 3.4.0
       katex: 0.16.45
       khroma: 2.1.0
       lodash-es: 4.18.1