diff --git a/Casks/spectrum.rb b/Casks/spectrum.rb
index 3be33922f78..adbfb04cec7 100644
--- a/Casks/spectrum.rb
+++ b/Casks/spectrum.rb
@@ -1,12 +1,12 @@
-cask 'spectrum' do
-  version '1.0.5'
-  sha256 'f6434f821b9c9a9384e58db5ae1dbad45922d2b63b47ea3f93651bc6dd4a9f18'
+cask "spectrum" do
+  version "1.0.5"
+  sha256 "f6434f821b9c9a9384e58db5ae1dbad45922d2b63b47ea3f93651bc6dd4a9f18"
 
   # github.com/withspectrum/spectrum/ was verified as official when first introduced to the cask
   url "https://github.com/withspectrum/spectrum/releases/download/v#{version}/Spectrum-#{version}-mac.zip"
-  appcast 'https://spectrum.chat/apps'
-  name 'Spectrum'
-  homepage 'https://spectrum.chat/'
+  appcast "https://spectrum.chat/apps"
+  name "Spectrum"
+  homepage "https://spectrum.chat/"
 
-  app 'Spectrum.app'
+  app "Spectrum.app"
 end