diff --git a/ddapp/requirements.txt b/ddapp/requirements.txt
index 8087f9d..aa5ec6b 100644
--- a/ddapp/requirements.txt
+++ b/ddapp/requirements.txt
@@ -5,7 +5,7 @@ Django==1.11.3
 google-api-python-client==1.6.2
 googlemaps==2.5.1
 gunicorn==19.7.1
-httplib2==0.10.3
+httplib2==0.18.0
 idna==2.5
 oauth2client==4.1.2
 oauthlib==2.0.2
diff --git a/requirements.txt b/requirements.txt
index afc0ff5..99a5be1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ defusedxml==0.5.0
 Django==1.11.3
 google-api-python-client==1.6.2
 googlemaps==2.5.1
-httplib2==0.10.3
+httplib2==0.18.0
 idna==2.5
 oauth2client==4.1.2
 oauthlib==2.0.2