diff --git a/Casks/open-codesign.rb b/Casks/open-codesign.rb
index cd7ce61..b6ee088 100644
--- a/Casks/open-codesign.rb
+++ b/Casks/open-codesign.rb
@@ -22,7 +22,7 @@
   end
 
   auto_updates false
-  depends_on macos: ">= :big_sur"
+  depends_on macos: :big_sur
 
   app "Open CoDesign.app"
 
@@ -33,7 +33,7 @@
     #{token} is not yet notarized. On first launch macOS may refuse to open
     it. To bypass, either right-click the app and choose Open, or run:
 
-      xattr -d com.apple.quarantine /Applications/Open CoDesign.app
+      xattr -d com.apple.quarantine /Applications/Open\ CoDesign.app
 
     You only need to do this once per install/update.
   EOS
diff --git a/Casks/open-cowork.rb b/Casks/open-cowork.rb
index e5d7ed7..9869f5e 100644
--- a/Casks/open-cowork.rb
+++ b/Casks/open-cowork.rb
@@ -7,7 +7,7 @@
   desc "Desktop AI agent app with sandboxed environment"
   homepage "https://github.com/OpenCoworkAI/open-cowork"
 
-  depends_on macos: ">= :ventura"
+  depends_on macos: :ventura
   depends_on arch: :arm64
 
   app "Open Cowork.app"