diff --git a/requirements.txt b/requirements.txt
index 76cc594..ceed317 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ cryptography==2.9.2
 cytoolz==0.10.1
 dateparser==0.7.4
 eth-abi==2.1.1
-eth-account==0.5.2
+eth-account==0.5.9
 eth-bloom==1.0.3
 eth-hash==0.2.0
 eth-keyfile==0.5.1