diff --git a/appengine/flexible/kinto/requirements.txt b/appengine/flexible/kinto/requirements.txt
index 7a1f821818f..d0a2f5089eb 100644
--- a/appengine/flexible/kinto/requirements.txt
+++ b/appengine/flexible/kinto/requirements.txt
@@ -1,3 +1,3 @@
 gunicorn==19.6.0
 oauth2client==3.0.0
-kinto==4.3.0
+kinto==4.3.1
diff --git a/requirements-dev.txt b/requirements-dev.txt
index b83a88c9258..cc95af5e7cb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -29,7 +29,7 @@ grpc-google-cloud-speech-v1beta1==1.0.1
 grpcio==1.0.0
 gunicorn==19.6.0
 httplib2==0.9.2
-kinto==4.3.0
+kinto==4.3.1
 mailjet-rest==v1.2.2
 mock==2.0.0
 mysql-python==1.2.5; python_version == '2.7'