1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index f8971cc..e2f25cf 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ all: cython
 
 .PHONY: black
 black:
-	black msgpack/ test/
+	black msgpack/ test/ setup.py
 
 .PHONY: cython
 cython: