diff --git a/Makefile b/Makefile
index bd73a6d..cb64d79 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION := $(shell python -c "import django_marina;print(django_marina.__version__)")
+VERSION := $(shell sed -n 's/^ *version.*=.*"\([^"]*\)".*/\1/p' pyproject.toml)
 
 .PHONY: test
 test: