diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5b4fd3f390..fa65561c46 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -183,7 +183,7 @@ jobs:
 
     - name: Copy zombinet testing binary
       run: |
-        wget https://github.com/paritytech/zombienet/releases/download/v1.3.35/zombienet-linux-x64
+        wget https://github.com/paritytech/zombienet/releases/download/v1.3.63/zombienet-linux-x64
         chmod +x ./zombienet-linux-x64
         mv zombienet-linux-x64 rpc-tests/bin/zombienet-linux-x64
 
diff --git a/README.md b/README.md
index 45620cc632..acf0b43fbd 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,7 @@ $ ./target/release/astar-collator \
   --base-path <path to save blocks> \
   --name <node display name> \
   --port 30333 \
-  --ws-port 9944 \
-  --rpc-port 9933 \
+  --rpc-port 9944 \
   --telemetry-url 'wss://telemetry.polkadot.io/submit/ 0' \
   --rpc-cors all \
   --collator
diff --git a/rpc-tests/README.md b/rpc-tests/README.md
index 53451e32a4..f73b178873 100644
--- a/rpc-tests/README.md
+++ b/rpc-tests/README.md
@@ -30,7 +30,7 @@ cp target/release/astar-collator rpc-tests/bin/astar-collator
 
 Download and copy latest polkadot binary from https://github.com/paritytech/polkadot/releases to rpc-tests/bin folder
 
-Download and copy latest zombinet binary from https://github.com/paritytech/zombinet/releases to rpc-tests/bin folder
+Download and copy latest zombienet binary from https://github.com/paritytech/zombienet/releases to rpc-tests/bin folder
 
 To start the test suite.
 
diff --git a/rpc-tests/rpc-tests.toml b/rpc-tests/rpc-tests.toml
index 119904aa2e..c9e55c1d58 100644
--- a/rpc-tests/rpc-tests.toml
+++ b/rpc-tests/rpc-tests.toml
@@ -25,8 +25,7 @@ cumulus_based = true
   [parachains.collator]
   name = "astar"
   command = "./astar-collator"
-  ws_port = 9944
-  rpc_port = 8545
+  rpc_port = 9944
   args = [ "-l=xcm=trace", "--enable-evm-rpc" ]
 
 [[parachains]]
@@ -37,8 +36,7 @@ cumulus_based = true
   [parachains.collator]
   name = "shiden"
   command = "./astar-collator"
-  ws_port = 9945
-  rpc_port = 8546
+  rpc_port = 9945
   args = [ "-l=xcm=trace", "--enable-evm-rpc" ]
 
 [[hrmp_channels]]
diff --git a/rpc-tests/tests/0002-deploy-an-evm-contract.js b/rpc-tests/tests/0002-deploy-an-evm-contract.js
index c4007582a9..a7fde23d2d 100644
--- a/rpc-tests/tests/0002-deploy-an-evm-contract.js
+++ b/rpc-tests/tests/0002-deploy-an-evm-contract.js
@@ -1,6 +1,6 @@
 async function run(nodeName, networkInfo, args) {
-    networkInfo.nodesByName["astar"].rpcPort = 8545
-    networkInfo.nodesByName["shiden"].rpcPort = 8546
+    networkInfo.nodesByName["astar"].rpcPort = 9944
+    networkInfo.nodesByName["shiden"].rpcPort = 9945
 
     const { rpcPort } = networkInfo.nodesByName[nodeName];
     const { compiled } = await import("./compile.mjs");
diff --git a/rpc-tests/tests/0002-get-evm-contract-data.js b/rpc-tests/tests/0002-get-evm-contract-data.js
index 9d4e28f9a8..1ac512c839 100644
--- a/rpc-tests/tests/0002-get-evm-contract-data.js
+++ b/rpc-tests/tests/0002-get-evm-contract-data.js
@@ -1,6 +1,6 @@
 async function run(nodeName, networkInfo, args) {
-    networkInfo.nodesByName["astar"].rpcPort = 8545
-    networkInfo.nodesByName["shiden"].rpcPort = 8546
+    networkInfo.nodesByName["astar"].rpcPort = 9944
+    networkInfo.nodesByName["shiden"].rpcPort = 9945
 
     const {rpcPort} = networkInfo.nodesByName[nodeName];
     const { compiled } = await import("./compile.mjs");
diff --git a/rpc-tests/tests/0002-set-evm-contract-data.js b/rpc-tests/tests/0002-set-evm-contract-data.js
index 24bc1539ad..a82f4f40a2 100644
--- a/rpc-tests/tests/0002-set-evm-contract-data.js
+++ b/rpc-tests/tests/0002-set-evm-contract-data.js
@@ -1,6 +1,6 @@
 async function run(nodeName, networkInfo, args) {
-    networkInfo.nodesByName["astar"].rpcPort = 8545
-    networkInfo.nodesByName["shiden"].rpcPort = 8546
+    networkInfo.nodesByName["astar"].rpcPort = 9944
+    networkInfo.nodesByName["shiden"].rpcPort = 9945
 
     const {rpcPort} = networkInfo.nodesByName[nodeName];
     const { compiled } = await import("./compile.mjs");