diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 150d739..6448c43 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,13 +3,13 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.12"
 
 mkdocs:
   configuration: mkdocs.yml
 
 python:
   install:
-  - requirements: requirements.txt
-  - requirements: requirements-dev.txt
-  - path: .
+    - path: .
+      extra_requirements:
+        - dev
diff --git a/Makefile b/Makefile
index 1e4c586..3fd3539 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ all: lint mypy test test-release
 
 $(VENV): pyproject.toml
 	$(PY) -m venv $(VENV)
-	$(BIN)/pip install -e .['dev']
+	$(BIN)/pip install --upgrade -e .['dev']
 	touch $(VENV)
 
 .PHONY: test