diff --git a/spec/bundler/commands/newgem_spec.rb b/spec/bundler/commands/newgem_spec.rb
index 2ade1653fc..beb21f9c2b 100644
--- a/spec/bundler/commands/newgem_spec.rb
+++ b/spec/bundler/commands/newgem_spec.rb
@@ -309,8 +309,7 @@ RSpec.describe "bundle gem" do
     end
 
     it "sets a minimum ruby version" do
-      gemspec_path = ruby_core? ? "../../../lib/bundler" : "../.."
-      bundler_gemspec = Bundler::GemHelper.new(File.expand_path(gemspec_path, __dir__)).gemspec
+      bundler_gemspec = Bundler::GemHelper.new(gemspec_dir).gemspec
 
       expect(bundler_gemspec.required_ruby_version).to eq(generated_gemspec.required_ruby_version)
     end
diff --git a/spec/bundler/support/path.rb b/spec/bundler/support/path.rb
index 73d828cb5d..9493c5422a 100644
--- a/spec/bundler/support/path.rb
+++ b/spec/bundler/support/path.rb
@@ -13,6 +13,10 @@ module Spec
       @gemspec ||= root.join(ruby_core? ? "lib/bundler/bundler.gemspec" : "bundler.gemspec")
     end
 
+    def gemspec_dir
+      @gemspec_dir ||= gemspec.parent
+    end
+
     def bindir
       @bindir ||= root.join(ruby_core? ? "libexec" : "exe")
     end