diff --git a/Gemfile b/Gemfile
index 6cb27d4..6b05f2e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ group :lint do
 end
 
 group :unit do
-  gem 'berkshelf',  '~> 3.2'
+  gem 'berkshelf',  '3.2'
   gem 'chefspec',   '~> 4.3'
 end