diff --git a/docs/index.md b/docs/index.md
index 698f5e9..efc4b2d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -914,7 +914,7 @@ Options:
 Usage: zetachain solana encode [options]
 
 Options:
-  --connected <address>     Connected PDA account address
+  --connected <address>     Connected program address
   --data <data>             Data to encode
   --gateway <address>       Gateway program address
   --mint <address>          Mint address for SPL token operations
diff --git a/package.json b/package.json
index 219dd7d..a9d9796 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "1.17.4",
     "@zetachain/localnet": "13.1.1",
-    "@zetachain/toolkit": "16.2.2",
+    "@zetachain/toolkit": "16.3.0",
     "axios": "^1.7.7",
     "commander": "^13.1.0",
     "cors": "^2.8.5",
diff --git a/src/mcp/commands.json b/src/mcp/commands.json
index 6eede12..2fae0be 100644
--- a/src/mcp/commands.json
+++ b/src/mcp/commands.json
@@ -1387,7 +1387,7 @@
       "properties": {
         "connected": {
           "type": "string",
-          "summary": "Connected PDA account address"
+          "summary": "Connected program address"
         },
         "data": {
           "type": "string",
diff --git a/yarn.lock b/yarn.lock
index 7061d87..7589b59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3139,10 +3139,10 @@
   resolved "https://registry.npmjs.org/@zetachain/standard-contracts/-/standard-contracts-2.0.1.tgz#aefd28bb81f1f05b183bd73dc62bd68e456a6ebf"
   integrity sha512-SHV9a1bSgy8litI/LRZ4VIus7Gsjy0wj3n9bZeIsEydn0C5NNZxYO4XW+P06dlEyDQjtcVJQHoQOyHkodBoVsQ==
 
-"@zetachain/toolkit@16.2.2":
-  version "16.2.2"
-  resolved "https://registry.yarnpkg.com/@zetachain/toolkit/-/toolkit-16.2.2.tgz#b17ad2a00d40c05ea6281d193325a8bf98cecbb3"
-  integrity sha512-PCrGlNdnO5PO/o5UdEKo0ruXiCSIAWzOCQDdShEY3aMfhishZ7j1sIQtif/dsr/oGvfFztA0X89MYR8xYQ+vRA==
+"@zetachain/toolkit@16.3.0":
+  version "16.3.0"
+  resolved "https://registry.npmjs.org/@zetachain/toolkit/-/toolkit-16.3.0.tgz#ab35c451fd4f3a7e08a750a547a164ef418ffa48"
+  integrity sha512-pAvUgSM3K/LfGwPOoNIWOrXZj+ApyagCq0bidknlN5AEURzeL6qzJyiDfFGD0DmIcNb8YItl1BTwpQaHDwBe7g==
   dependencies:
     "@bitcoinerlab/secp256k1" "^1.2.0"
     "@coral-xyz/anchor" "^0.30.1"