Add kubernetes to requirements
diff --git a/requirements.txt b/requirements.txt
index 32d5e37..3789929 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,6 @@
 parse
 tooz # Apache-2.0
 sherlock>=0.4.1 # MIT
+kubernetes # Apache-2.0
 # email
 # smtplib