diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c290713..c659e7b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -28,12 +28,8 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@61cb8a9741eeb8a550a1b8544337180c0fc8476b # v7.2.0
 
-      - name: Install dependencies
-        run: |
-          uv pip install --system -r requirements/docs.requirements.txt
-
       - name: Build documentation
-        run: zensical build
+        run: uvx --with tox-uv tox -e docs
 
       - name: Upload documentation as artifact
         id: deployment
diff --git a/pyproject.toml b/pyproject.toml
index bf74635..1e926a8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,8 +45,8 @@ dev = [
     { include-group = "typing" },
 ]
 docs = [
-    "mkdocstrings[python]>=0.22.0",
-    "zensical>=0.0.2",
+    "mkdocstrings[python]~=0.22.0",
+    "zensical==0.0.20",
 ]
 lint = [
     "ruff>=0.12.9",
@@ -89,6 +89,7 @@ env_list = [
   "coverage",
   "lint",
   "typing",
+  "docs",
 ]
 
 [tool.tox.env_run_base]