diff --git a/Casks/c/crystalmaker.rb b/Casks/c/crystalmaker.rb
index 6c8c52536e2f1..9922d20ff895e 100644
--- a/Casks/c/crystalmaker.rb
+++ b/Casks/c/crystalmaker.rb
@@ -9,7 +9,9 @@
 
   livecheck do
     url "https://crystalmaker.com/support/updates/VersionData-CMM.xml"
-    regex(/<version[^>]+?number=["']?v?(\d+(?:\.\d+)+)["']?[^>]*?>/i)
+    strategy :xml do |xml|
+      xml.get_elements("//version").map { |item| item.attributes["number"] }
+    end
   end
 
   depends_on macos: ">= :mojave"