diff --git a/Casks/mcp-filepuff.rb b/Casks/mcp-filepuff.rb
index 52e1190..c41b21c 100644
--- a/Casks/mcp-filepuff.rb
+++ b/Casks/mcp-filepuff.rb
@@ -1,24 +1,24 @@
 # This file was generated by GoReleaser. DO NOT EDIT.
 cask "mcp-filepuff" do
-  version "2.1.16"
+  version "2.1.18"
 
   on_macos do
     on_arm do
-      sha256 "f3798b25c280a0859abb280eb92812ee2119ea65eb268ffcd36ef6c06c0759ab"
+      sha256 "8ed6d2487f5266a36dac1aa79c8c1082b8aa4dc195053953e0a489ef13a35bfe"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_darwin_arm64.tar.gz"
     end
     on_intel do
-      sha256 "2cb469b02fa47b44bc0100e8bced47a1aa56cb3d9df9d1e7d2f24a40e79e87da"
+      sha256 "c7bddcbdf1012f98b9ae1c476f97e64afaf1e71875ab1668fc1905b5bd7b22a7"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_darwin_amd64.tar.gz"
     end
   end
   on_linux do
     on_arm do
-      sha256 "333fd198deb4f857548b6eb3626b4d175309a72b715b904f56fdb4705d5a9434"
+      sha256 "24877dbffc590e427c93d6f01e0c95adeaa4ecb5bca0cff5bdbd669fa1da24fb"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_linux_arm64.tar.gz"
     end
     on_intel do
-      sha256 "cd466792eabf7bbfeb0e8d5862fc428896217260fb3e262070d0b881f3c61551"
+      sha256 "22cf25ed5d81e0960d7bc9f02ee42a0f8d2ba325fd9d54261cdad7a610666d1f"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_linux_amd64.tar.gz"
     end
   end
@@ -33,9 +33,10 @@ cask "mcp-filepuff" do
 
   binary "mcp-filepuff"
 
-  postflight_steps do
-    on_macos do
-      run "/usr/bin/xattr", args: ["-dr", "com.apple.quarantine", "{{staged_path}}/mcp-filepuff"]
+  postflight do
+    if OS.mac?
+      system_command "/usr/bin/xattr",
+                     args: ["-dr", "com.apple.quarantine", "#{staged_path}/mcp-filepuff"]
     end
   end