diff --git a/Casks/opera-developer.rb b/Casks/opera-developer.rb
index c76a544be..785153fa8 100644
--- a/Casks/opera-developer.rb
+++ b/Casks/opera-developer.rb
@@ -1,6 +1,6 @@
 cask 'opera-developer' do
-  version '50.0.2759.0'
-  sha256 '2ca9e577fb8d3de35c282911e8b5bfdd687b40bd7bd88e235b477b46d249a466'
+  version '51.0.2776.0'
+  sha256 'db1843a074bfb42528c514350d3ebd2ff7b1ca1a0c67a027d2594759c64ebbdc'
 
   url "https://get.geo.opera.com/pub/opera-developer/#{version}/mac/Opera_Developer_#{version}_Setup.dmg"
   name 'Opera Developer'