diff --git a/.goreleaser.yml b/.goreleaser.yml
index 76fd751..18f4232 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -71,6 +71,8 @@ brews:
     install: |
       libexec.install Dir["*"]
       bin.write_exec_script "#{libexec}/tart.app/Contents/MacOS/tart"
-      generate_completions_from_executable(libexec/"tart.app/Contents/MacOS/tart", "--generate-completion-script")
     custom_block: |
       depends_on :macos => :ventura
+      def post_install
+        generate_completions_from_executable(libexec/"tart.app/Contents/MacOS/tart", "--generate-completion-script")
+      end