diff --git a/PKGBUILD b/PKGBUILD
index d9e7a1c..86b962e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -18,6 +18,7 @@ b2sums=('6818e5bdea156e9b6f7b33e319e5b5a5c3c9e7a799b56ded87ab2e27efa4effe730e23a
 
 prepare() {
   cd $_name-$pkgver
+  sed -i "s|require 'mocha/setup'|require 'mocha/minitest'|" test/test_helper.rb
   # we do not do version pinning
   sed -e 's,~>,>=,g' -i *.gemspec Gemfile Rakefile
   # lockfiles should be removed