diff --git a/Casks/kportal.rb b/Casks/kportal.rb
index 4b71db6..9cba87c 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 "0.13.16"
+  version "0.13.17"
 
   on_macos do
     on_arm do
-      sha256 "5ae700c707120a94ceb71cf35093508f0a1d308794e72c5a9ef414cb756f2cdb"
+      sha256 "6ec9655fea8cc574062b347bf5075a502600b3a26a1ef8d1b565d6bf5b7c89ad"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-darwin-arm64.tar.gz"
     end
     on_intel do
-      sha256 "8de1a054a935ad825c9bcf394614ac11522105496015ef3e6a64a5246a5829be"
+      sha256 "f9e9f7893741aacda98a801f4ae21dd976965b7cb74c0560dc013f81d1d6862d"
       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 "f7c5d831e1febb62172c23c309a7b285c016a83d0fe1891dc6aae6c94770116a"
+      sha256 "79b5bb8b9a0008ae9b680d3a946b6afec47c12902d0634fd5a7ea389984ae03d"
       url "https://github.com/lukaszraczylo/kportal/releases/download/v#{version}/kportal-#{version}-linux-arm64.tar.gz"
     end
     on_intel do
-      sha256 "c0902ab2cabf1c84896ed8610c2b7692a48f0d05132c5148a2b01e88f043f2ae"
+      sha256 "cfe5a13857ad86608d2823cd1dffb1149f29c38b62752511dcab085dee0aced2"
       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