diff --git a/changelog.rb b/changelog.rb
index 7ea6366..d6fcc9e 100644
--- a/changelog.rb
+++ b/changelog.rb
@@ -1,4 +1,4 @@
-require './utils/macos_codesign.rb'
+require_relative './utils/macos_codesign.rb'
 
 class Changelog < Formula
   desc "Generate changelog of gitea repository"
diff --git a/gitea-head.rb b/gitea-head.rb
index 531feac..1f3e1e1 100644
--- a/gitea-head.rb
+++ b/gitea-head.rb
@@ -1,4 +1,4 @@
-require './utils/macos_codesign.rb'
+require_relative './utils/macos_codesign.rb'
 
 class GiteaHead < Formula
   desc "Git with a cup of tea, painless self-hosted git service"
diff --git a/gitea.rb b/gitea.rb
index 42157db..f6ac566 100644
--- a/gitea.rb
+++ b/gitea.rb
@@ -1,4 +1,4 @@
-require './utils/macos_codesign.rb'
+require_relative './utils/macos_codesign.rb'
 
 class Gitea < Formula
   desc "Git with a cup of tea, painless self-hosted git service"
diff --git a/tea-head.rb b/tea-head.rb
index 753f6b2..322735a 100644
--- a/tea-head.rb
+++ b/tea-head.rb
@@ -1,4 +1,4 @@
-require './utils/macos_codesign.rb'
+require_relative './utils/macos_codesign.rb'
 
 class TeaHead < Formula
   desc "A command line tool to interact with Gitea servers"
diff --git a/tea.rb b/tea.rb
index e02cff0..0961de0 100644
--- a/tea.rb
+++ b/tea.rb
@@ -1,4 +1,4 @@
-require './utils/macos_codesign.rb'
+require_relative './utils/macos_codesign.rb'
 
 class Tea < Formula
   desc "A command line tool to interact with Gitea servers"