diff --git a/setup.py b/setup.py
index efc144b7f..ac55ce44f 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ install_requires = [
     'texttable >= 0.9.0, < 2',
     'websocket-client >= 0.32.0, < 1',
     'distro >= 1.5.0, < 2',
-    'docker[ssh] >= 3.7.0, < 5',
+    'docker[ssh] >= 4.2.1, < 5',
     'dockerpty >= 0.4.1, < 1',
     'six >= 1.3.0, < 2',
     'jsonschema >= 2.5.1, < 4',