diff --git a/dev-requirements.txt b/dev-requirements.txt
index 53aa04f..8711023 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,12 +4,17 @@
 #
 #    pip-compile --output-file=dev-requirements.txt dev-requirements.in setup.py
 #
+aiohttp==3.7.4.post0
+    # via web3
 appdirs==1.4.3
     # via
     #   black
     #   virtualenv
+async-timeout==3.0.1
+    # via aiohttp
 attrs==19.3.0
     # via
+    #   aiohttp
     #   black
     #   jsonschema
     #   pytest
@@ -28,7 +33,9 @@ certifi==2019.11.28
 cfgv==3.1.0
     # via pre-commit
 chardet==3.0.4
-    # via requests
+    # via
+    #   aiohttp
+    #   requests
 click==7.1.1
     # via
     #   black
@@ -117,8 +124,10 @@ hexbytes==0.2.0
 identify==1.4.13
     # via pre-commit
 idna==2.9
-    # via requests
-ipfshttpclient==0.4.12
+    # via
+    #   requests
+    #   yarl
+ipfshttpclient==0.7.0
     # via web3
 json-rpc==1.13.0
     # via eth-tester-rpc
@@ -134,6 +143,10 @@ more-itertools==8.2.0
     # via pytest
 multiaddr==0.0.9
     # via ipfshttpclient
+multidict==5.1.0
+    # via
+    #   aiohttp
+    #   yarl
 mypy-extensions==0.4.3
     # via
     #   mypy
@@ -214,7 +227,6 @@ setuptools-scm==3.5.0
     # via -r dev-requirements.in
 six==1.14.0
     # via
-    #   ipfshttpclient
     #   jsonschema
     #   multiaddr
     #   packaging
@@ -242,6 +254,7 @@ typed-ast==1.4.1
     #   mypy
 typing-extensions==3.7.4.1
     # via
+    #   aiohttp
     #   mypy
     #   trie
 urllib3==1.25.8
@@ -254,7 +267,7 @@ virtualenv==20.0.13
     #   tox
 wcwidth==0.1.9
     # via pytest
-web3==5.9.0
+web3==5.20.0
     # via contract-deploy-tools (setup.py)
 websockets==8.1
     # via web3
@@ -262,6 +275,8 @@ werkzeug==1.0.1
     # via eth-tester-rpc
 wheel==0.34.2
     # via -r dev-requirements.in
+yarl==1.6.3
+    # via aiohttp
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip
diff --git a/setup.cfg b/setup.cfg
index 2426d50..616c2df 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,7 +33,7 @@ packages=find:
 
 install_requires =
     py-solc
-    web3>=5.4.0,<6.0.0
+    web3>=5.13.0,<6.0.0
     eth-tester[py-evm]
     eth-utils
     eth-keyfile
diff --git a/src/deploy_tools/cli.py b/src/deploy_tools/cli.py
index d747c25..07d1846 100644
--- a/src/deploy_tools/cli.py
+++ b/src/deploy_tools/cli.py
@@ -585,11 +585,11 @@ def get_nonce(*, web3: Web3, nonce: int, private_key: bytes):
     if nonce is not None:
         return nonce
     elif private_key is not None:
-        return web3.eth.getTransactionCount(
+        return web3.eth.get_transaction_count(
             Account.from_key(private_key).address, block_identifier="pending"
         )
     else:
-        return web3.eth.getTransactionCount(
+        return web3.eth.get_transaction_count(
             web3.eth.accounts[0], block_identifier="pending"
         )
 
diff --git a/src/deploy_tools/transact.py b/src/deploy_tools/transact.py
index 7339d39..5da8671 100644
--- a/src/deploy_tools/transact.py
+++ b/src/deploy_tools/transact.py
@@ -5,6 +5,7 @@
 from web3._utils.transactions import fill_transaction_defaults
 from web3.eth import Account
 from web3.types import TxParams, TxReceipt
+from web3.exceptions import ContractLogicError
 
 
 class TransactionsFailed(Exception):
@@ -40,7 +41,7 @@ def send_transaction(*, web3: Web3, transaction_options: TxParams, private_key=N
         transaction = fill_nonce(web3, transaction_options)
         transaction = fill_transaction_defaults(web3, transaction)
         signed_transaction = account.sign_transaction(transaction)
-        tx_hash = web3.eth.sendRawTransaction(signed_transaction.rawTransaction)
+        tx_hash = web3.eth.send_raw_transaction(signed_transaction.rawTransaction)
 
     else:
         _set_from_address(web3, transaction_options)
@@ -86,7 +87,7 @@ def send_function_call_transaction(
             transaction_options=transaction_options,
             private_key=private_key,
         )
-        tx_hash = web3.eth.sendRawTransaction(signed_transaction.rawTransaction)
+        tx_hash = web3.eth.send_raw_transaction(signed_transaction.rawTransaction)
 
     else:
         _set_from_address(web3, transaction_options)
@@ -122,7 +123,7 @@ def wait_for_successful_transaction_receipts(
     failed_tx_hashs = set()
 
     for tx_hash in tx_hashs:
-        receipt = web3.eth.waitForTransactionReceipt(tx_hash, timeout=timeout)
+        receipt = web3.eth.wait_for_transaction_receipt(tx_hash, timeout=timeout)
         status = receipt.get("status", None)
         if status == 0:
             failed_tx_hashs.add(tx_hash)
@@ -143,10 +144,30 @@ def wait_for_successful_transaction_receipt(
     """See if transaction went through (Solidity code did not throw).
     :return: Transaction receipt
     """
-    receipt = web3.eth.waitForTransactionReceipt(txid, timeout=timeout)
+    receipt = web3.eth.wait_for_transaction_receipt(txid, timeout=timeout)
     status = receipt.get("status", None)
     if status == 0:
-        raise TransactionFailed
+        try:
+            tx = web3.eth.get_transaction(txid)
+            result = web3.eth.call(
+                {
+                    "from": tx["from"],
+                    "to": tx.to,
+                    "gasPrice": tx.gasPrice,
+                    "gas": tx.gas,
+                    "value": tx.value,
+                    "data": tx.input,
+                    "nonce": tx.nonce,
+                },
+                tx.blockNumber,
+            )
+
+            return result
+        except ContractLogicError:
+            raise ContractLogicError
+        except Exception:
+            raise TransactionFailed
+
     elif status == 1:
         return receipt
     else:
@@ -189,7 +210,7 @@ def build_transaction_options(*, gas, gas_price, nonce, value=None):
 
 def fill_nonce(web3, transaction_options):
     if "from" in transaction_options and "nonce" not in transaction_options:
-        transaction_options["nonce"] = web3.eth.getTransactionCount(
+        transaction_options["nonce"] = web3.eth.get_transaction_count(
             transaction_options["from"], block_identifier="pending"
         )
     return transaction_options