diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index e356c7013f..5ccb5cfb3c 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -592,7 +592,7 @@ class FormulaInstaller
 
       keep_build_test = false
       keep_build_test ||= dep.test? && include_test? && @include_test_formulae.include?(dependent.full_name)
-      keep_build_test ||= dep.build? && !install_bottle_for?(dependent, build) && !dependent.latest_version_installed?
+      keep_build_test ||= dep.build? && !install_bottle_for?(dependent, build) && (formula.head? || !dependent.latest_version_installed?)
 
       if dep.prune_from_option?(build) || ((dep.build? || dep.test?) && !keep_build_test)
         Dependency.prune