diff --git a/requirements.txt b/requirements.txt
index 5ec4b58..ac2b32a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ eth-abi == 1.3.0
 eth-utils == 1.7.0
 eth-testrpc == 1.3.0
 rlp == 0.6.0
-requests == 2.18.4
+requests == 2.20.0
 pytz == 2017.3
 networkx == 1.11