diff --git a/tests/requirements.txt b/tests/requirements.txt
index 9ccb2d5..03b0fb1 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2017.11.5
 chardet==3.0.4
 click==6.7
-Flask==0.12.2
+Flask==1.0
 gevent==1.2.2
 greenlet==0.4.12
 idna==2.6
@@ -11,7 +11,7 @@ locustio==0.8.1
 MarkupSafe==1.0
 msgpack-python==0.5.1
 pyzmq==16.0.3
-requests==2.18.4
+requests==2.20.0
 six==1.11.0
 urllib3>=1.24.2
-Werkzeug==0.14.1
+Werkzeug==0.15.3