diff --git a/Formula/mdbook-catppuccin.rb b/Formula/mdbook-catppuccin.rb
index 86f6655..e2d541e 100644
--- a/Formula/mdbook-catppuccin.rb
+++ b/Formula/mdbook-catppuccin.rb
@@ -13,7 +13,9 @@ class MdbookCatppuccin < Formula
       url "https://github.com/catppuccin/mdBook/releases/download/v2.0.1/mdbook-catppuccin-x86_64-apple-darwin.tar.gz"
       sha256 "ce2c10b5bee597d5ce063796b410d8841b23c94f7c548a515e9bd22cc31c4a75"
 
-      bin.install "mdbook-catppuccin-x86_64-apple-darwin" => "mdbook-catppuccin"
+      def install
+        bin.install "mdbook-catppuccin-x86_64-apple-darwin" => "mdbook-catppuccin"
+      end
     end
   end
 
@@ -22,7 +24,9 @@ class MdbookCatppuccin < Formula
       url "https://github.com/catppuccin/mdBook/releases/download/v2.0.1/mdbook-catppuccin-x86_64-unknown-linux-gnu.tar.gz"
       sha256 "38abdc0998402d975485757b2477dd9d5ad736f67706872988e890d0d641c6c9"
 
-      bin.install "mdbook-catppuccin-x86_64-unknown-linux-gnu" => "mdbook-catppuccin"
+      def install
+        bin.install "mdbook-catppuccin-x86_64-unknown-linux-gnu" => "mdbook-catppuccin"
+      end
     end
   end