diff --git a/src/requirements.txt b/src/requirements.txt
index 7e09767ba71..1cc9d4dbe1f 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,6 +1,6 @@
-Flask==1.0.2
+Flask
 flask-talisman
-gunicorn==19.9.0
+gunicorn
 matplotlib
 mistune
 pandas