diff --git a/requirements.txt b/requirements.txt
index e33dc92..e07eaf4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ greenlet==0.4.15
 h5py==2.9.0
 HeapDict==1.0.1
 html5lib==1.0.1
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.8
 imageio==2.6.0
 imagesize==1.1.0