diff --git a/requirements.txt b/requirements.txt
index 6a5ccae6..48acd1e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-click==3.3
+click==4.0
 colorama==0.3.3
 pyserial==2.7
 requests==2.6.0