diff --git a/requirements.txt b/requirements.txt
index 4c3c837..85dd8ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ Jinja2==2.10
 Pygments==1.6
 gevent-websocket==0.9.3
 gunicorn==19.9
-filelock==0.2.0
+filelock==3.0.9