diff --git a/docs/02-client-tools.md b/docs/02-client-tools.md
index 16096d8..94548bb 100644
--- a/docs/02-client-tools.md
+++ b/docs/02-client-tools.md
@@ -57,7 +57,7 @@ cfssl version
 ```
 Version: 1.2.0
 Revision: dev
-Runtime: go1.6
+Runtime: go1.9.2
 ```
 
 Verify `cfssljson` version 1.2.0 or higher is installed: