diff --git a/Casks/mcp-filepuff.rb b/Casks/mcp-filepuff.rb
index 549cf83..2bcbf3e 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 "2.1.18"
+  version "2.1.20"
 
   on_macos do
     on_arm do
-      sha256 "8ed6d2487f5266a36dac1aa79c8c1082b8aa4dc195053953e0a489ef13a35bfe"
+      sha256 "e0c91d1b324c982aa1515568a239b23a905a312ee2269edf7be5447bc6341171"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_darwin_arm64.tar.gz"
     end
     on_intel do
-      sha256 "c7bddcbdf1012f98b9ae1c476f97e64afaf1e71875ab1668fc1905b5bd7b22a7"
+      sha256 "234b64a16926b8194f660c32e3e8ab622f2dcc0365d81fab9a78f82f0e561f42"
       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 "24877dbffc590e427c93d6f01e0c95adeaa4ecb5bca0cff5bdbd669fa1da24fb"
+      sha256 "da426dc2d87ce2fe480fde18cfe554622c931849440a64208060014f352dcafa"
       url "https://github.com/lukaszraczylo/filepuff-mcp/releases/download/v#{version}/mcp-filepuff_#{version}_linux_arm64.tar.gz"
     end
     on_intel do
-      sha256 "22cf25ed5d81e0960d7bc9f02ee42a0f8d2ba325fd9d54261cdad7a610666d1f"
+      sha256 "6a2ace4d17551a56f2a19c3f2a2017f201a8a3cb852d8e03f4afee3be8589e25"
       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