diff --git a/package-lock.json b/package-lock.json
index 8963837258..b49fff2113 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -84,9 +84,9 @@
       }
     },
     "node_modules/@a2a-js/sdk": {
-      "version": "0.3.10",
-      "resolved": "https://registry.npmjs.org/@a2a-js/sdk/-/sdk-0.3.10.tgz",
-      "integrity": "sha512-t6w5ctnwJkSOMRl6M9rn95C1FTHCPqixxMR0yWXtzhZXEnF6mF1NAK0CfKlG3cz+tcwTxkmn287QZC3t9XPgrA==",
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/@a2a-js/sdk/-/sdk-0.3.11.tgz",
+      "integrity": "sha512-pXjjlL0ZYHgAxObov1J+W3ylfQV0rOrDBB8Eo4a9eCunqs7iNW5OIfMcV8YnZQdzeVSRomj8jHeudVz0zc4RNw==",
       "license": "Apache-2.0",
       "dependencies": {
         "uuid": "^11.1.0"
@@ -17337,7 +17337,7 @@
       "name": "@google/gemini-cli-a2a-server",
       "version": "0.34.0-nightly.20260304.28af4e127",
       "dependencies": {
-        "@a2a-js/sdk": "^0.3.8",
+        "@a2a-js/sdk": "0.3.11",
         "@google-cloud/storage": "^7.16.0",
         "@google/gemini-cli-core": "file:../core",
         "express": "^5.1.0",
@@ -17479,7 +17479,7 @@
       "version": "0.34.0-nightly.20260304.28af4e127",
       "license": "Apache-2.0",
       "dependencies": {
-        "@a2a-js/sdk": "^0.3.10",
+        "@a2a-js/sdk": "0.3.11",
         "@bufbuild/protobuf": "^2.11.0",
         "@google-cloud/logging": "^11.2.1",
         "@google-cloud/opentelemetry-cloud-monitoring-exporter": "^0.21.0",
diff --git a/packages/a2a-server/package.json b/packages/a2a-server/package.json
index b70ea8986a..328a36a7d5 100644
--- a/packages/a2a-server/package.json
+++ b/packages/a2a-server/package.json
@@ -25,7 +25,7 @@
     "dist"
   ],
   "dependencies": {
-    "@a2a-js/sdk": "^0.3.8",
+    "@a2a-js/sdk": "0.3.11",
     "@google-cloud/storage": "^7.16.0",
     "@google/gemini-cli-core": "file:../core",
     "express": "^5.1.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index 8861046d01..1bd8b54bc3 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -21,7 +21,7 @@
     "dist"
   ],
   "dependencies": {
-    "@a2a-js/sdk": "^0.3.10",
+    "@a2a-js/sdk": "0.3.11",
     "@bufbuild/protobuf": "^2.11.0",
     "@google-cloud/logging": "^11.2.1",
     "@google-cloud/opentelemetry-cloud-monitoring-exporter": "^0.21.0",