diff --git a/requirements.txt b/requirements.txt
index 40c3ff1..18dab4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ hvac==0.9.3
 passgen
 inflection==0.3.1
 kubernetes==9.0.0
-himl==0.3.0
+himl==0.5.0
 six