diff --git a/gemfiles/nobrainer.gemfile b/gemfiles/nobrainer.gemfile
index fbbd023..5df1be2 100644
--- a/gemfiles/nobrainer.gemfile
+++ b/gemfiles/nobrainer.gemfile
@@ -3,4 +3,4 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in searchkick.gemspec
 gemspec path: "../"
 
-gem "nobrainer"
+gem "nobrainer", ">= 0.19.0"
--
libgit2 0.21.0