diff --git a/Casks/kportal.rb b/Casks/kportal.rb
index 7e34f0b..f898d3a 100644
--- a/Casks/kportal.rb
+++ b/Casks/kportal.rb
@@ -1,24 +1,24 @@
 # This file was generated by GoReleaser. DO NOT EDIT.
 cask "kportal" do
-  version "0.13.10"
+  version "0.13.11"
 
   on_macos do
     on_arm do
-      sha256 "0b0db43ea5b592506030922f795fd36b19032ef7e4e3d8a0c1e0a4d0fb98f1a6"
+      sha256 "f28cbff392a5a47fbf321722b0ea0977e31161f55ddc440a4ef2821ea8165deb"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-darwin-arm64.tar.gz"
     end
     on_intel do
-      sha256 "36e54c3045a90d75114f5ae196aad93e0258e31834952bf952cedf15fbc7a64f"
+      sha256 "a72edb6d2ce00ce0801a7205b650907bd0b04c85e1b2a813a495c4c292f6b18a"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-darwin-amd64.tar.gz"
     end
   end
   on_linux do
     on_arm do
-      sha256 "95af21e1864af97500c432a903ebeef8fd615e4f6c29e4ebc067f9fb3f43bd60"
+      sha256 "89853a0613d0d60ec1b9372c8258483d656d16e392806a15b4fbdd530c7579b4"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-linux-arm64.tar.gz"
     end
     on_intel do
-      sha256 "2e9c70cc8bd44fd689faefa9559e143c14b47f2631b7d405d833dac4cad07cda"
+      sha256 "c49946b15d07badfe28a3ff14600a1c77ea091227fbb7f669f2714a6257bcabd"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-linux-amd64.tar.gz"
     end
   end
@@ -33,9 +33,10 @@ cask "kportal" do
 
   binary "kportal"
 
-  postflight_steps do
-    on_macos do
-      run "/usr/bin/xattr", args: ["-dr", "com.apple.quarantine", "{{staged_path}}/kportal"]
+  postflight do
+    if OS.mac?
+      system_command "/usr/bin/xattr",
+                     args: ["-dr", "com.apple.quarantine", "#{staged_path}/kportal"]
     end
   end