diff --git a/Gemfile b/Gemfile
index 55544af..6e38a83 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,11 +10,11 @@ group :development do
     gem "chef-zero"
     gem "rspec", "~> 3.4"
     gem "aruba", "~> 0.6"
-    gem "chef", "~> 14.0"
+    gem "chef", "~> 16.6"
     gem "chef-utils", "= 16.6.14" # pin until we drop ruby 2.5
   else
     gem "chef-zero", ">= 15.0.4"
-    gem "chef", "~> 17.0"
+    gem "chef", "~> 16.6"
     gem "rspec", "~> 3.10.0"
     gem "aruba", "~> 1.1"
     gem "knife", "~> 17.0"