diff --git a/backend/requirements.txt b/backend/requirements.txt
index 2ae6d15..b4cb0ec 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -9,7 +9,7 @@ cryptography==2.6.1
 cytoolz==0.9.0.1
 ecdsa==0.13
 eth-abi==1.3.0
-eth-account==0.3.0
+eth-account==0.5.9
 eth-hash==0.2.0
 eth-keyfile==0.5.1
 eth-keys==0.2.1