diff --git a/extensions/markdown-language-features/package-lock.json b/extensions/markdown-language-features/package-lock.json
index af0abe0ad6a..bb129cc3624 100644
--- a/extensions/markdown-language-features/package-lock.json
+++ b/extensions/markdown-language-features/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@vscode/extension-telemetry": "^0.9.8",
-        "dompurify": "^3.2.4",
+        "dompurify": "^3.2.7",
         "highlight.js": "^11.8.0",
         "markdown-it": "^12.3.2",
         "markdown-it-front-matter": "^0.2.4",
@@ -385,9 +385,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.4.tgz",
-      "integrity": "sha512-ysFSFEDVduQpyhzAob/kkuJjf5zWkZD8/A9ywSp1byueyuCfHamrCBa14/Oc2iiB0e51B+NpxSl5gmzn+Ms/mg==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.7.tgz",
+      "integrity": "sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json
index 0e38bae746c..3157b4855fe 100644
--- a/extensions/markdown-language-features/package.json
+++ b/extensions/markdown-language-features/package.json
@@ -767,7 +767,7 @@
   },
   "dependencies": {
     "@vscode/extension-telemetry": "^0.9.8",
-    "dompurify": "^3.2.4",
+    "dompurify": "^3.2.7",
     "highlight.js": "^11.8.0",
     "markdown-it": "^12.3.2",
     "markdown-it-front-matter": "^0.2.4",
diff --git a/extensions/mermaid-chat-features/package-lock.json b/extensions/mermaid-chat-features/package-lock.json
index 18394643a0c..185afcde646 100644
--- a/extensions/mermaid-chat-features/package-lock.json
+++ b/extensions/mermaid-chat-features/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
-        "dompurify": "^3.2.6",
+        "dompurify": "^3.2.7",
         "mermaid": "^11.11.0"
       },
       "devDependencies": {
@@ -1008,9 +1008,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.6.tgz",
-      "integrity": "sha512-/2GogDQlohXPZe6D6NOgQvXLPSYBqIWMnZ8zzOhn09REE4eyAzb+Hed3jhoM9OkuaJ8P6ZGTTVWQKAi8ieIzfQ==",
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.2.7.tgz",
+      "integrity": "sha512-WhL/YuveyGXJaerVlMYGWhvQswa7myDG17P7Vu65EWC05o8vfeNbvNf4d/BOvH99+ZW+LlQsc1GDKMa1vNK6dw==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/extensions/mermaid-chat-features/package.json b/extensions/mermaid-chat-features/package.json
index 2992cbe6c20..d7856516218 100644
--- a/extensions/mermaid-chat-features/package.json
+++ b/extensions/mermaid-chat-features/package.json
@@ -82,7 +82,7 @@
     "@types/node": "^22.18.10"
   },
   "dependencies": {
-    "dompurify": "^3.2.6",
+    "dompurify": "^3.2.7",
     "mermaid": "^11.11.0"
   }
 }