diff --git a/notary/requirements.txt b/notary/requirements.txt
index 80c3041..0d5b650 100644
--- a/notary/requirements.txt
+++ b/notary/requirements.txt
@@ -12,7 +12,7 @@ cryptography==3.3.2
 cytoolz==0.10.0
 ecdsa==0.13.3
 eth-abi==2.0.0
-eth-account==0.4.0
+eth-account==0.5.9
 eth-hash==0.2.0
 eth-keyfile==0.5.1
 eth-keys==0.2.4