diff --git a/ui/package-lock.json b/ui/package-lock.json
index 4211483e2b..04d7b8bb68 100644
--- a/ui/package-lock.json
+++ b/ui/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@github/markdown-toolbar-element": "^2.2.3",
-        "@modelcontextprotocol/client": "^2.0.0",
+        "@modelcontextprotocol/client": "^2.3.1",
         "@modelcontextprotocol/ext-apps": "^2.0.3",
         "@primer/octicons-react": "^19.38.0",
         "@primer/primitives": "^11.10.0",
@@ -73,15 +73,15 @@
       "license": "BSD-3-Clause"
     },
     "node_modules/@modelcontextprotocol/client": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/client/-/client-2.2.0.tgz",
-      "integrity": "sha512-LxCou/CSYQ6dwEnjhLZY0KnEuc8V4UJ3IEQCl/uR2yHobSQIEdJKUlKLRYRF5i5FqRGHy1eK7une3aAWDHLtig==",
-      "license": "MIT",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/client/-/client-2.3.1.tgz",
+      "integrity": "sha512-mIGZXpHsjnZ6lD+gD/WCMpR5k8yVQQ8nNFH1N0Srf7AvnwTUMYD6pvTY8ng2+He5FfV7YMZLmrjL7cLa/cc3dQ==",
+      "license": "Apache-2.0",
       "dependencies": {
-        "@modelcontextprotocol/core": "2.2.0",
+        "@modelcontextprotocol/core": "2.3.1",
         "cross-spawn": "^7.0.5",
         "eventsource": "^3.0.2",
-        "eventsource-parser": "^3.0.0",
+        "eventsource-parser": "^3.0.8",
         "jose": "^6.1.3",
         "pkce-challenge": "^5.0.0",
         "zod": "^4.2.0"
@@ -91,10 +91,10 @@
       }
     },
     "node_modules/@modelcontextprotocol/core": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/core/-/core-2.2.0.tgz",
-      "integrity": "sha512-iLhmprRmWI8EcosOA3wVvww22z02NkgqhV4fBH6f/odQBsi7xnJc0HGmi21yWO+/iKw2yzqVE127Zhna5/+JXw==",
-      "license": "MIT",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/core/-/core-2.3.1.tgz",
+      "integrity": "sha512-laVmIhPGpWi7rG9q+0UigblRN0Hws/Yjlb6qLFtVqryXVLkc4h+yN8z731POD2LnAGQlFe7/tXhUm7Bi0YB91g==",
+      "license": "Apache-2.0",
       "dependencies": {
         "zod": "^4.2.0"
       },
diff --git a/ui/package.json b/ui/package.json
index 039cd12b0c..7c167f57de 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@github/markdown-toolbar-element": "^2.2.3",
-    "@modelcontextprotocol/client": "^2.0.0",
+    "@modelcontextprotocol/client": "^2.3.1",
     "@modelcontextprotocol/ext-apps": "^2.0.3",
     "@primer/octicons-react": "^19.38.0",
     "@primer/primitives": "^11.10.0",