diff --git a/tests/requirements.txt b/tests/requirements.txt
index 6b7629d..25aeeaf 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -6,7 +6,7 @@ certifi==2019.9.11
 cffi==1.12.3
 chardet==3.0.4
 cytoolz==0.10.0
-eth-abi==2.0.0
+eth-abi==4.2.0
 eth-account==0.4.0
 eth-hash==0.2.0
 eth-keyfile==0.5.1