diff --git a/deploy/requirements.txt b/deploy/requirements.txt
index 890e683a..f97d7b0c 100644
--- a/deploy/requirements.txt
+++ b/deploy/requirements.txt
@@ -1,5 +1,5 @@
 Fabric==1.10.1
-ecdsa==0.11
+ecdsa==0.18.0
 paramiko==1.15.2
 pycrypto==2.6.1
 wsgiref==0.1.2