diff --git a/spec/spec_helper_acceptance.rb b/spec/spec_helper_acceptance.rb
index f97709c..1bfae6c 100644
--- a/spec/spec_helper_acceptance.rb
+++ b/spec/spec_helper_acceptance.rb
@@ -99,7 +99,7 @@ RSpec.configure do |c|
 
       on host, puppet('module','install','puppetlabs-stdlib'), { :acceptable_exit_codes => [0,1] }
       on host, puppet('module','install','puppetlabs-apt'), { :acceptable_exit_codes => [0,1] }
-      on host, puppet('module','install','puppetlabs-concat'), { :acceptable_exit_codes => [0,1] }
+      on host, puppet('module','install','--force','puppetlabs-concat'), { :acceptable_exit_codes => [0,1] }
     end