diff --git a/Formula/spin.rb b/Formula/spin.rb
index b7423c9..4a9e385 100644
--- a/Formula/spin.rb
+++ b/Formula/spin.rb
@@ -40,6 +40,6 @@ def post_install
   end
 
   test do
-    system "#{bin}/spin", "--version"
+    assert_match "spin 1.5.1 (8d4334e 2023-09-26)", shell_output("#{bin}/spin --version")
   end
-end
+end
\ No newline at end of file