diff --git a/requirements.txt b/requirements.txt
index c20a128..02fdfb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ examples-rclpy-minimal-service==0.7.4
 examples-rclpy-minimal-subscriber==0.7.4
 flake8==3.5.0
 html5lib==0.999999999
-httplib2==0.9.2
+httplib2==0.18.0
 idna==2.6
 ifcfg==0.18
 keyring==10.6.0