diff --git a/requirements.txt b/requirements.txt
index 224a2969..f81da75f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 gevent>=1.1.0
 msgpack>=0.4.4
+base58
 merkletools
 pyelliptic==1.5.6
 rsa