diff --git a/Casks/c/colour-contrast-analyser.rb b/Casks/c/colour-contrast-analyser.rb
index af8c36db17..5c99346899 100644
--- a/Casks/c/colour-contrast-analyser.rb
+++ b/Casks/c/colour-contrast-analyser.rb
@@ -1,6 +1,6 @@
 cask "colour-contrast-analyser" do
-  version "3.3.0"
-  sha256 "219b897fbbd642e2e35c604c78056243b1f5ae2cab78b87126ec5b986ff536b7"
+  version "3.4.2"
+  sha256 "81f7152d4c5193891f1a73a654a03c35aa7d33f8caf0910ef6676d1be405ec8b"
 
   url "https://github.com/ThePacielloGroup/CCAe/releases/download/v#{version}/CCA-#{version}.dmg",
       verified: "github.com/ThePacielloGroup/CCAe/"