Don't require the virtualenv binary to build the docs

diff --git a/docs/Makefile b/docs/Makefile
index 51572b5a9cd73aab93c73dbe353611ac8e0b8c77..b409eea7bb7a9b54a9dc37b55a680145ede8d2af 100644 (file)
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -21,7 +21,7 @@ serve:
 env: .venv
 
 .venv: requirements.txt
-       virtualenv -p $(PYTHON) .venv
+       $(PYTHON) -m venv .venv
        ./.venv/bin/pip install -e ../psycopg3
        ./.venv/bin/pip install -r requirements.txt