diff --git a/requirements.txt b/requirements.txt
index 9a5feb4..b8fe5c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ google-auth-oauthlib==0.5.2; python_version >= "3.6"
 google-auth==2.9.1; python_version >= "3.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.7"
 googleapis-common-protos==1.56.4; python_version >= "3.7"
 h11==0.13.0; python_version >= "3.7"
-httplib2==0.20.4; python_version >= "3.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.7"
+httplib2==0.31.0; python_version >= "3.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.7"
 httptools==0.4.0; python_version >= "3.7" and python_full_version >= "3.5.0"
 idna==3.3; python_full_version >= "3.6.2" and python_version >= "3.7" and python_version < "4" and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6")
 itsdangerous==2.1.2; python_version >= "3.7"