diff --git a/integration_tests/contracts/contracts/Random.sol b/integration_tests/contracts/contracts/Random.sol
new file mode 100644
index 0000000000..8f1665d0fb
--- /dev/null
+++ b/integration_tests/contracts/contracts/Random.sol
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.15;
+
+contract Random {
+    function randomTokenId() public returns (uint256) {
+        return uint256(keccak256(abi.encodePacked(block.prevrandao)));
+    }
+}
\ No newline at end of file
diff --git a/integration_tests/test_basic.py b/integration_tests/test_basic.py
index d25ac588f8..5b9bcae095 100644
--- a/integration_tests/test_basic.py
+++ b/integration_tests/test_basic.py
@@ -79,6 +79,16 @@ def approve_proposal_legacy(node, rsp):
     return amount
 
 
+def test_random(cronos):
+    w3 = cronos.w3
+    contract = deploy_contract(
+        w3,
+        CONTRACTS["Random"],
+        key=KEYS["validator"],
+    )
+    print(contract.caller.randomTokenId())
+
+
 def test_ica_enabled(cronos):
     cli = cronos.cosmos_cli()
     p = cli.query_icacontroller_params()
diff --git a/integration_tests/test_upgrade.py b/integration_tests/test_upgrade.py
index 54cdb6813e..67d0043022 100644
--- a/integration_tests/test_upgrade.py
+++ b/integration_tests/test_upgrade.py
@@ -155,6 +155,9 @@ def exec(c, tmp_path_factory, testnet=True):
     assert rsp["code"] == 0, rsp["raw_log"]
     approve_proposal(c, rsp, event_query_tx=testnet)
 
+    nonce_bf = c.w3.eth.get_transaction_count(ADDRS["validator"])
+    print("mm-nonce-bf", nonce_bf)
+
     # update cli chain binary
     c.chain_binary = (
         Path(c.chain_binary).parent.parent.parent / f"{plan_name}/bin/cronosd"
@@ -170,6 +173,9 @@ def exec(c, tmp_path_factory, testnet=True):
 
     # check basic tx works
     wait_for_port(ports.evmrpc_port(c.base_port(0)))
+
+    nonce_af = c.w3.eth.get_transaction_count(ADDRS["validator"])
+    print("mm-nonce-af", nonce_af)
     receipt = send_transaction(
         c.w3,
         {
@@ -180,6 +186,7 @@ def exec(c, tmp_path_factory, testnet=True):
         },
     )
     assert receipt.status == 1
+    return
 
     if not testnet:
         # after upgrade, PUSH0 opcode is supported
diff --git a/integration_tests/utils.py b/integration_tests/utils.py
index 3dd6bf190b..323207d83e 100644
--- a/integration_tests/utils.py
+++ b/integration_tests/utils.py
@@ -59,6 +59,7 @@
     "CosmosERC20": "CosmosToken.sol",
     "TestBank": "TestBank.sol",
     "TestICA": "TestICA.sol",
+    "Random": "Random.sol",
 }
 
 
diff --git a/scripts/run-integration-tests b/scripts/run-integration-tests
index c2278eb22b..76a457a2f3 100755
--- a/scripts/run-integration-tests
+++ b/scripts/run-integration-tests
@@ -10,12 +10,13 @@ cd ../integration_tests/contracts
 HUSKY_SKIP_INSTALL=1 npm install
 npm run typechain
 cd ..
-TESTS_TO_RUN="${TESTS_TO_RUN:-all}"
-if [[ "$TESTS_TO_RUN" == "all" ]]; then
-  echo "run all tests"
-  cmd="pytest -vv -s"
-else
-  echo "run tests matching $TESTS_TO_RUN"
-  cmd="pytest -vv -s -m '$TESTS_TO_RUN'"
-fi
+# TESTS_TO_RUN="${TESTS_TO_RUN:-all}"
+# if [[ "$TESTS_TO_RUN" == "all" ]]; then
+#   echo "run all tests"
+#   cmd="pytest -vv -s"
+# else
+#   echo "run tests matching $TESTS_TO_RUN"
+#   cmd="pytest -vv -s -m '$TESTS_TO_RUN'"
+# fi
+cmd="pytest -v -s test_upgrade.py::test_cosmovisor_upgrade_mainnet"
 nix-shell --run "$cmd"