diff --git a/setup.py b/setup.py
index c265b5d..9ae5283 100644
--- a/setup.py
+++ b/setup.py
@@ -67,10 +67,10 @@
     install_requires=[
         "dataclassy>=0.11.1,<1",
         "eth-abi>=5.1.0,<6",
-        "eth-account>=0.13.1,<0.14",
-        "eth-typing>=5.0.0,<6",
-        "eth-utils>=5.0.0,<6",
-        "hexbytes>=1.2.0,<2",
+        "eth-account>=0.11.3,<0.14",
+        "eth-typing>=3.5.2,<6",
+        "eth-utils>=2.3.1,<6",
+        "hexbytes>=0.3.1,<2",
     ],
     python_requires=">=3.9,<4",
     extras_require=extras_require,
diff --git a/tests/test_common.py b/tests/test_common.py
index 9a2d678..ea7bb79 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -1,4 +1,5 @@
 import pytest
+from eth_utils import to_hex
 from hexbytes import HexBytes
 
 from eip712.common import SAFE_VERSIONS, create_safe_tx_def
@@ -18,16 +19,16 @@ def test_gnosis_safe_tx(version):
 
     msg = tx_def(to=MAINNET_MSIG_ADDRESS, nonce=0)
 
-    assert msg.signable_message.header.hex() == (
-        "88fbc465dedd7fe71b7baef26a1f46cdaadd50b95c77cbe88569195a9fe589ab"
+    assert to_hex(msg.signable_message.header) == (
+        "0x88fbc465dedd7fe71b7baef26a1f46cdaadd50b95c77cbe88569195a9fe589ab"
         if version in ("1.3.0",)
-        else "590e9c66b22ee4584cd655fda57748ce186b85f829a092c28209478efbe86a92"
+        else "0x590e9c66b22ee4584cd655fda57748ce186b85f829a092c28209478efbe86a92"
     )
 
-    assert msg.signable_message.body.hex() == (
-        "3c2fdf2ea8af328a67825162e7686000787c5cc9f4b27cb6bfbcaa445b59e2c4"
+    assert to_hex(msg.signable_message.body) == (
+        "0x3c2fdf2ea8af328a67825162e7686000787c5cc9f4b27cb6bfbcaa445b59e2c4"
         if version in ("1.3.0",)
-        else "1b393826bed1f2297ffc01916f8339892f9a51dc7f35f477b9a5cdd651d28603"
+        else "0x1b393826bed1f2297ffc01916f8339892f9a51dc7f35f477b9a5cdd651d28603"
     )
 
 
diff --git a/tests/test_messages.py b/tests/test_messages.py
index eab7ddd..e39c143 100644
--- a/tests/test_messages.py
+++ b/tests/test_messages.py
@@ -1,5 +1,6 @@
 import pytest
 from eth_account.messages import ValidationError
+from eth_utils import to_hex
 
 from .conftest import (
     InvalidMessageMissingDomainFields,
@@ -10,9 +11,11 @@
 
 def test_multilevel_message(valid_message_with_name_domain_field):
     msg = valid_message_with_name_domain_field.signable_message
-    assert msg.version.hex() == "01"
-    assert msg.header.hex() == "336a9d2b32d1ab7ea7bbbd2565eca1910e54b74843858dec7a81f772a3c17e17"
-    assert msg.body.hex() == "306af87567fa87e55d2bd925d9a3ed2b1ec2c3e71b142785c053dc60b6ca177b"
+    assert to_hex(msg.version) == "0x01"
+    assert (
+        to_hex(msg.header) == "0x336a9d2b32d1ab7ea7bbbd2565eca1910e54b74843858dec7a81f772a3c17e17"
+    )
+    assert to_hex(msg.body) == "0x306af87567fa87e55d2bd925d9a3ed2b1ec2c3e71b142785c053dc60b6ca177b"
 
 
 def test_invalid_message_without_domain_fields():