diff --git a/tox.ini b/tox.ini
index ed57b8cca6..58902886c0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ basepython = python2.7
 
 [testenv:validate]
 deps =
-    yamllint>=0.5.2
+    yamllint==1.4.1
 commands =
     yamllint -f parsable -c {toxinidir}/yamllint.yml deliverables
     validate-request {posargs}