diff --git a/Library/Contributions/cmd/brew-test-bot.rb b/Library/Contributions/cmd/brew-test-bot.rb
index 6a38c98a38..10a3c3087c 100755
--- a/Library/Contributions/cmd/brew-test-bot.rb
+++ b/Library/Contributions/cmd/brew-test-bot.rb
@@ -277,6 +277,7 @@ class Test
     install_args = '--verbose'
     install_args << ' --build-bottle' unless ARGV.include? '--no-bottle'
     install_args << ' --HEAD' if ARGV.include? '--HEAD'
+    test "brew install --only-dependencies #{formula}" unless dependencies.empty?
     test "brew install #{install_args} #{formula}"
     install_passed = steps.last.passed?
     test "brew audit #{formula}"