diff --git a/requirements.txt b/requirements.txt
index 830817c..34ad3cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ genpy==0.6.9
 google-pasta==0.1.8
 grpcio==1.27.2
 h5py==2.10.0
-httplib2==0.9.2
+httplib2==0.18.0
 idna==2.6
 image-geometry==1.13.0
 imutils==0.5.3