diff --git a/Library/Homebrew/dev-cmd/tap-new.rb b/Library/Homebrew/dev-cmd/tap-new.rb
index fee8572a36..b977cb0b22 100644
--- a/Library/Homebrew/dev-cmd/tap-new.rb
+++ b/Library/Homebrew/dev-cmd/tap-new.rb
@@ -149,6 +149,9 @@ module Homebrew
 
     unless args.no_git?
       cd tap.path do
+        Utils::Git.set_name_email!
+        Utils::Git.setup_gpg!
+
         # Would be nice to use --initial-branch here but it's not available in
         # older versions of Git that we support.
         safe_system "git", "-c", "init.defaultBranch=#{branch}", "init"
diff --git a/Library/Homebrew/test/dev-cmd/tap-new_spec.rb b/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
index 4f3c229d28..a1a24af6ed 100644
--- a/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
+++ b/Library/Homebrew/test/dev-cmd/tap-new_spec.rb
@@ -7,6 +7,9 @@ describe "brew tap-new" do
   it_behaves_like "parseable arguments"
 
   it "initializes a new tap with a README file and GitHub Actions CI", :integration_test do
+    # To ensure that Utils::Git.setup_gpg! doesn't raise an error
+    setup_test_formula "gnupg"
+
     expect { brew "tap-new", "homebrew/foo", "--verbose" }
       .to be_a_success
       .and output(%r{homebrew/foo}).to_stdout
diff --git a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
index 88ea92b7f3..e8e0a354e1 100644
--- a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
+++ b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
@@ -162,7 +162,7 @@ RSpec.shared_context "integration test" do # rubocop:disable RSpec/ContextWordin
 
         # something here
       RUBY
-    when "foo", "patchelf"
+    when "foo", "gnupg", "patchelf"
       content = <<~RUBY
         url "https://brew.sh/#{name}-1.0"
       RUBY