diff --git a/requirements.txt b/requirements.txt
index 0d5921a..65777c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.0
 googleapis-common-protos==1.6.0
 greenlet==0.4.15
-httplib2==0.13.1
+httplib2==0.19.0
 idna==2.7
 inexactsearch==1.0.2
 itsdangerous==1.1.0
diff --git a/test.txt b/test.txt
index fc39f8d..0bb0b0a 100644
--- a/test.txt
+++ b/test.txt
@@ -33,7 +33,7 @@ google-auth-httplib2==0.0.3
 google-auth-oauthlib==0.4.0
 googleapis-common-protos==1.6.0
 greenlet==0.4.15
-httplib2==0.13.1
+httplib2==0.19.0
 idna==2.7
 inexactsearch==1.0.2
 itsdangerous==1.1.0