diff --git a/package.json b/package.json
index 1fcd464..c23fa61 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "react-intersection-observer": "9.16.0",
     "react-markdown": "9.0.1",
     "react-syntax-highlighter": "15.6.1",
-    "react-textarea-autosize": "8.5.4",
+    "react-textarea-autosize": "8.5.9",
     "remark-gfm": "4.0.0",
     "resumable-stream": "^2.2.10",
     "server-only": "0.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b6c3a32..85ac548 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -153,8 +153,8 @@ importers:
         specifier: 15.6.1
         version: 15.6.1(react@19.2.3)
       react-textarea-autosize:
-        specifier: 8.5.4
-        version: 8.5.4(@types/react@19.2.7)(react@19.2.3)
+        specifier: 8.5.9
+        version: 8.5.9(@types/react@19.2.7)(react@19.2.3)
       remark-gfm:
         specifier: 4.0.0
         version: 4.0.0
@@ -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==}
@@ -4392,11 +4393,11 @@ packages:
     peerDependencies:
       react: '>= 0.14.0'
 
-  react-textarea-autosize@8.5.4:
-    resolution: {integrity: sha512-eSSjVtRLcLfFwFcariT77t9hcbVJHQV76b51QjQGarQIHml2+gM2lms0n3XrhnDmgK5B+/Z7TmQk5OHNzqYm/A==}
+  react-textarea-autosize@8.5.9:
+    resolution: {integrity: sha512-U1DGlIQN5AwgjTyOEnI1oCcMuEr1pv1qOtklB2l4nyMGbHzWrI0eFsYK0zos2YWqAolJyG0IWJaqWmWj5ETh0A==}
     engines: {node: '>=10'}
     peerDependencies:
-      react: ^16.8.0 || ^17.0.0 || ^18.0.0
+      react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
 
   react@19.2.3:
     resolution: {integrity: sha512-Ku/hhYbVjOQnXDZFv2+RibmLFGwFdeeKHFcOTlrt7xplBnya5OGn/hIRDsqDiSUcfORsDC7MPxwork8jBwsIWA==}
@@ -9328,7 +9329,7 @@ snapshots:
       react: 19.2.3
       refractor: 3.6.0
 
-  react-textarea-autosize@8.5.4(@types/react@19.2.7)(react@19.2.3):
+  react-textarea-autosize@8.5.9(@types/react@19.2.7)(react@19.2.3):
     dependencies:
       '@babel/runtime': 7.28.4
       react: 19.2.3