diff --git a/omniauth-azure-devops.gemspec b/omniauth-azure-devops.gemspec
index 35dd5e1..ecff9e8 100644
--- a/omniauth-azure-devops.gemspec
+++ b/omniauth-azure-devops.gemspec
@@ -13,11 +13,11 @@ Gem::Specification.new do |gem|
   gem.homepage      = 'https://github.com/rewind/omniauth-azure-devops'
   gem.license       = 'MIT'
   gem.metadata = {
-    "bug_tracker_uri" => "#{gem.homepage}/issues",
-    "changelog_uri" => "#{gem.homepage}/blob/main/CHANGELOG.md",
-    "documentation_uri" => gem.homepage.to_s,
-    "homepage_uri" => gem.homepage.to_s,
-    "source_code_uri" => gem.homepage.to_s,
+    'bug_tracker_uri' => "#{gem.homepage}/issues",
+    'changelog_uri' => "#{gem.homepage}/blob/main/CHANGELOG.md",
+    'documentation_uri' => gem.homepage.to_s,
+    'homepage_uri' => gem.homepage.to_s,
+    'source_code_uri' => gem.homepage.to_s,
   }
 
   gem.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(spec|.github|examples)/}) }