diff --git a/Makefile b/Makefile
index 29a8609..c2c7f11 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 verify:
-	@python3 -m compileall -q src tests && python3 -m unittest discover -s tests -q && echo "verification passed"
+	@python3.13 -m compileall -q src tests app && python3.13 -m unittest discover -s tests -q && echo "verification passed"
 
 run:
 	FLASK_APP=app flask run