diff --git a/requirements.txt b/requirements.txt
index 8161c91..5045c6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ ethereum>=2.3.2
 ethereum-input-decoder>=0.2.2
 eth-hash>=0.1.0
 eth-keyfile>=0.5.1
-eth-keys>=0.2.0b3,<0.3.0
+eth-keys==0.5.0
 eth-rlp>=0.1.0
 eth-tester==0.1.0b32
 eth-typing>=2.0.0