diff --git a/package-lock.json b/package-lock.json
index b70dc1413..1aacc803c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17416,6 +17416,7 @@
       "version": "0.36.0-nightly.20260317.2f90b4653",
       "dependencies": {
         "@a2a-js/sdk": "0.3.11",
+        "@agentclientprotocol/sdk": "^0.16.1",
         "@google-cloud/storage": "^7.16.0",
         "@google/gemini-cli-core": "file:../core",
         "express": "^5.1.0",
@@ -17745,7 +17746,7 @@
         "glob": "^12.0.0",
         "google-auth-library": "^9.11.0",
         "html-to-text": "^9.0.5",
-        "https-proxy-agent": "^7.0.6",
+        "https-proxy-agent": "^8.0.0",
         "ignore": "^7.0.0",
         "ipaddr.js": "^1.9.1",
         "js-yaml": "^4.1.1",
@@ -17867,6 +17868,15 @@
         "node": ">=6"
       }
     },
+    "packages/core/node_modules/agent-base": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-8.0.0.tgz",
+      "integrity": "sha512-QT8i0hCz6C/KQ+KTAbSNwCHDGdmUJl2tp2ZpNlGSWCfhUNVbYG2WLE3MdZGBAgXPV4GAvjGMxo+C1hroyxmZEg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 14"
+      }
+    },
     "packages/core/node_modules/ajv": {
       "version": "8.18.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.18.0.tgz",
@@ -17909,6 +17919,19 @@
         }
       }
     },
+    "packages/core/node_modules/https-proxy-agent": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-8.0.0.tgz",
+      "integrity": "sha512-YYeW+iCnAS3xhvj2dvVoWgsbca3RfQy/IlaNHHOtDmU0jMqPI9euIq3Y9BJETdxk16h9NHHCKqp/KB9nIMStCQ==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "8.0.0",
+        "debug": "^4.3.4"
+      },
+      "engines": {
+        "node": ">= 14"
+      }
+    },
     "packages/core/node_modules/ignore": {
       "version": "7.0.5",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-7.0.5.tgz",
diff --git a/packages/core/package.json b/packages/core/package.json
index de105d438..f2644831f 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -65,7 +65,7 @@
     "glob": "^12.0.0",
     "google-auth-library": "^9.11.0",
     "html-to-text": "^9.0.5",
-    "https-proxy-agent": "^7.0.6",
+    "https-proxy-agent": "^8.0.0",
     "ignore": "^7.0.0",
     "ipaddr.js": "^1.9.1",
     "js-yaml": "^4.1.1",