diff --git a/requirements.txt b/requirements.txt
index d6704bb..35819b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 altgraph==0.12
-appdirs==1.4.0
+appdirs==1.4.3
 # apscheduler==2.1.2
 macholib==1.7
 modulegraph==0.12