diff --git a/docs/conf.py b/docs/conf.py
index ef559461..6555c713 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,14 @@
-import importlib.metadata
+import pathlib
+
+
+def get_version() -> str:
+    path = pathlib.Path(__file__).parent.parent / "sqlalchemy_utils/__init__.py"
+    content = path.read_text()
+    for line in content.splitlines():
+        if line.strip().startswith("__version__"):
+            _, _, version_ = line.partition("=")
+            return version_.strip("'\" ")
+
 
 # -- General configuration -----------------------------------------------------
 
@@ -24,7 +34,7 @@
 project = "SQLAlchemy-Utils"
 copyright = "2013-2022, Konsta Vesterinen"
 
-version = importlib.metadata.version("sqlalchemy_utils")
+version = get_version()
 release = version
 
 # List of patterns, relative to source directory, that match files and
diff --git a/tox.ini b/tox.ini
index c293cef0..7807d1c7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -49,6 +49,7 @@ commands = pre-commit run --hook-stage manual --all isort-check
 [testenv:docs]
 base_python = py3.12
 recreate = False
+skip_install = True
 deps = -r requirements/docs/requirements.txt
 commands = sphinx-build docs/ build/docs