diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 784ee58..8dd7952
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ google-auth==1.17.2
 google-auth-httplib2==0.0.3
 googleapis-common-protos==1.52.0
 gunicorn==20.0.4
-httplib2==0.18.1
+httplib2==0.19.0
 idna==2.9
 importlib-metadata==1.6.0
 ipython==7.14.0