diff --git a/.rtx.toml b/.rtx.toml
new file mode 100644
index 0000000..c01bf1f
--- /dev/null
+++ b/.rtx.toml
@@ -0,0 +1,5 @@
+[tools]
+python = {version="3.11", virtualenv=".venv"}
+
+[env]
+ENV_FILE = "{{config_root}}/envs/local.env"
diff --git a/.tool-versions b/.tool-versions
deleted file mode 100644
index 2ab8199..0000000
--- a/.tool-versions
+++ /dev/null
@@ -1 +0,0 @@
-python 3.11.2