diff --git a/requirements.txt b/requirements.txt
index 06af610c..d214c781 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ retrying!=1.3.0,>=1.2.3 # Apache-2.0
 pysnmp>=4.2.3,<5.0.0  # BSD
 
 # Redfish communication uses the Sushy library
-sushy>=4.1.0
+sushy>=4.2.0,<4.4.0
 pyOpenSSL>=19.1.0
diff --git a/tox.ini b/tox.ini
index afcb196f..72bfe2ea 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,5 @@
 [tox]
 minversion = 3.18.0
-skipsdist = True
 envlist = py3,pep8
 ignore_basepython_conflict=true
 
@@ -19,7 +18,13 @@ deps =
   -r{toxinidir}/test-requirements.txt
 commands =
     stestr run {posargs}
-passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
+passenv =
+ http_proxy
+ HTTP_PROXY
+ https_proxy
+ HTTPS_PROXY
+ no_proxy
+ NO_PROXY
 
 [testenv:pep8]
 deps =