diff --git a/src/requirements.txt b/src/requirements.txt
index 3d51546..529c18e 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -19,7 +19,7 @@ google-pasta==0.2.0
 googleapis-common-protos==1.51.0
 grpcio==1.29.0
 h5py==2.10.0
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.9
 importlib-metadata==1.6.0
 ipykernel==5.3.0