diff --git a/Makefile b/Makefile
index 74e0d69..5d17398 100644
--- a/Makefile
+++ b/Makefile
@@ -71,4 +71,4 @@ check_trailing_whitespace:
 .PHONY: check_headers
 check_headers:
 	@echo "Checking file headers"
-	@python test/verify_boilerplate.py
+	@python3.7 test/verify_boilerplate.py