diff --git a/.github/workflows/build_doc.yml b/.github/workflows/build_doc.yml
index d11c56e96..9c7362702 100644
--- a/.github/workflows/build_doc.yml
+++ b/.github/workflows/build_doc.yml
@@ -24,26 +24,11 @@ jobs:
           ocaml-compiler: ${{ env.OCAML_DEFAULT_VERSION }}
           dune-cache: true
 
-      - name: Install dependencies
-        run: opam exec -- make deps
-
-      - name: Build odoc documentation
-        run: opam exec -- dune build @doc
-
-      - name: Build sphinx documentation
-        uses: ammaraskar/sphinx-action@master
-        with:
-          docs-folder: "docs/sphinx_docs/"
-          build-command: "sphinx-build . -W -b html ../../_build/sphinx_docs"
+      - name: Setup python
+        uses: actions/setup-python@v5
 
-      - name: Upload odoc artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: odoc-artifact
-          path: _build/default/_doc/_html
+      - name: Install dependencies
+        run: opam exec -- make doc-deps
 
-      - name: Upload sphinx artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: sphinx-artifact
-          path: _build/sphinx_docs
+      - name: Build documentation
+        run: opam exec -- make doc
diff --git a/.github/workflows/deploy_doc.yml b/.github/workflows/deploy_doc.yml
index 5517cf5c3..7aaf14b2e 100644
--- a/.github/workflows/deploy_doc.yml
+++ b/.github/workflows/deploy_doc.yml
@@ -8,13 +8,15 @@ on:
 jobs:
   deploy:
     steps:
-      - name: Download artifact
+      - name: Download odoc artifact
         uses: actions/download-artifact@v4
         with:
-          name: doc-artifact
+          name: odoc-artifact
           run-id: ${{ github.event.workflow_run.id }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Down
+
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
         with:
diff --git a/.gitignore b/.gitignore
index 6a48d9cf7..e8d4c3448 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,3 +46,6 @@ __pycache__
 
 # Generated nix files
 /result*
+
+# Virtual environment to build sphinx docs
+sphinx-venv
diff --git a/Makefile b/Makefile
index 648054c97..2023874be 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ DUNE=dune
 DUNE_FLAGS?=
 
 # Definining the sphinx build command
-SPHINXBUILD = sphinx-build
+SPHINXBUILD = sphinx-venv/bin/sphinx-build
 
 # List the files:
 # - generated by rules in this makefile,
@@ -243,6 +243,14 @@ js-deps:
 		'zarith_stubs_js>=v0.16.1' \
 		lwt_ppx -y
 
+doc-deps: dev-switch
+	python -m venv sphinx-venv
+	sphinx-venv/bin/pip install \
+		sphinx \
+	  sphinx-rtd-theme \
+	  sphinx-markdown-tables \
+		myst-parser
+
 deps:
 	opam install -y . --locked --deps-only
 
@@ -252,7 +260,7 @@ test-deps:
 dune-deps:
 	dune-deps . | dot -Tpng -o docs/deps.png
 
-.PHONY: archi deps test-deps dune-deps dev-switch lock
+.PHONY: archi deps doc-deps test-deps dune-deps dev-switch lock
 
 # ===============
 # PUBLIC RELEASES