diff --git a/setup.py b/setup.py
index c268f5a..52cd23b 100644
--- a/setup.py
+++ b/setup.py
@@ -23,10 +23,10 @@
     packages=find_packages(exclude=["tests", "tests.*"]),
     python_requires=">=3.6, <4",
     install_requires=[
-        "eth-abi>=5,<6",
+        "eth-abi>=4,<6",
         "eth-hash[pycryptodome]>=0.2.0,<1.0.0",
-        "eth-utils>=3,<4",
-        "hexbytes>=1,<2",
+        "eth-utils>=2,<4",
+        "hexbytes<1",
     ],
     classifiers=[
         "Development Status :: 3 - Alpha",