diff --git a/package.json b/package.json
index 1fcd464..c824895 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "react-dom": "19.2.3",
     "react-intersection-observer": "9.16.0",
     "react-markdown": "9.0.1",
-    "react-syntax-highlighter": "15.6.1",
+    "react-syntax-highlighter": "15.6.6",
     "react-textarea-autosize": "8.5.4",
     "remark-gfm": "4.0.0",
     "resumable-stream": "^2.2.10",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b6c3a32..976ca59 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -150,8 +150,8 @@ importers:
         specifier: 9.0.1
         version: 9.0.1(@types/react@19.2.7)(react@19.2.3)
       react-syntax-highlighter:
-        specifier: 15.6.1
-        version: 15.6.1(react@19.2.3)
+        specifier: 15.6.6
+        version: 15.6.6(react@19.2.3)
       react-textarea-autosize:
         specifier: 8.5.4
         version: 8.5.4(@types/react@19.2.7)(react@19.2.3)
@@ -2243,6 +2243,7 @@ packages:
 
   '@ungap/structured-clone@1.3.0':
     resolution: {integrity: sha512-WmoN8qaIAo7WTYWbAZuG8PYEhn5fkz7dZrqTBZ7dtt//lL2Gwms1IcnQ5yHqjDfX8Ft5j4YzDM23f87zBfDe9g==}
+    deprecated: Potential CWE-502 - Update to 1.3.1 or higher
 
   '@unrs/resolver-binding-android-arm-eabi@1.11.1':
     resolution: {integrity: sha512-ppLRUgHVaGRWUx0R0Ut06Mjo9gBaBkg3v/8AxusGLhsIotbBLuRk51rAzqLC8gq6NyyAojEXglNjzf6R948DNw==}
@@ -4387,8 +4388,8 @@ packages:
       '@types/react':
         optional: true
 
-  react-syntax-highlighter@15.6.1:
-    resolution: {integrity: sha512-OqJ2/vL7lEeV5zTJyG7kmARppUjiB9h9udl4qHQjjgEos66z00Ia0OckwYfRxCSFrW8RJIBnsBwQsHZbVPspqg==}
+  react-syntax-highlighter@15.6.6:
+    resolution: {integrity: sha512-DgXrc+AZF47+HvAPEmn7Ua/1p10jNoVZVI/LoPiYdtY+OM+/nG5yefLHKJwdKqY1adMuHFbeyBaG9j64ML7vTw==}
     peerDependencies:
       react: '>= 0.14.0'
 
@@ -9318,7 +9319,7 @@ snapshots:
     optionalDependencies:
       '@types/react': 19.2.7
 
-  react-syntax-highlighter@15.6.1(react@19.2.3):
+  react-syntax-highlighter@15.6.6(react@19.2.3):
     dependencies:
       '@babel/runtime': 7.28.4
       highlight.js: 10.7.3