diff --git a/requirements.txt b/requirements.txt
index d494ab6..ff38c8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 ansible-lint==4.2.0
 molecule==2.22
 # needed in this case because we run tests with docker containers:
-docker==4.2.0
+docker==4.2.1