diff --git a/requirements.txt b/requirements.txt
index 3a723866c..276b82289 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,7 @@ ecdsa==0.13
 gmpy==1.17
 jsonrpc==1.2
 jsonrpclib==0.1.7
+jsonschema==2.5.1
 https://github.com/lbryio/lbryum/tarball/master/#egg=lbryum
 loggly-python-handler==1.0.0
 miniupnpc==1.9