diff --git a/.github/workflows/upload-python-docs.yml b/.github/workflows/upload-python-docs.yml
index c8f7854dc..6e2b27c1f 100644
--- a/.github/workflows/upload-python-docs.yml
+++ b/.github/workflows/upload-python-docs.yml
@@ -14,13 +14,15 @@ jobs:
         with:
           show-progress: false
           fetch-depth: 0 # Fetch history to calculate VCS version number.
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Build Python documentation
-        run: scripts/build-python-docs.sh
+        run: nix build .#python-docs
       - name: Upload to py.delta.chat
         uses: up9cloud/action-rsync@v1.3
         env:
           USER: delta
           KEY: ${{ secrets.CODESPEAK_KEY }}
           HOST: "lists.codespeak.net"
-          SOURCE: "dist/html/"
+          SOURCE: "result/html/"
           TARGET: "/home/delta/build/master"
diff --git a/scripts/README.md b/scripts/README.md
index 2c8a06721..dab3f20c3 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -37,8 +37,6 @@ and an own build machine.
 
 - `android-rpc-server.sh` compiles binaries of `deltachat-rpc-server` using Android NDK.
 
-- `build-python-docs.sh` builds Python documentation into `dist/html/`.
-
 ## Triggering runs on the build machine locally (fast!)
 
 There is experimental support for triggering a remote Python or Rust test run 
diff --git a/scripts/build-python-docs.sh b/scripts/build-python-docs.sh
deleted file mode 100755
index 92bd74706..000000000
--- a/scripts/build-python-docs.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-export DCC_RS_TARGET=debug
-export DCC_RS_DEV="$PWD"
-cargo build -p deltachat_ffi --features jsonrpc
-
-python3 -m venv venv
-venv/bin/pip install ./python
-venv/bin/pip install ./deltachat-rpc-client
-venv/bin/pip install sphinx breathe sphinx_rtd_theme
-venv/bin/sphinx-build -b html -a python/doc/ dist/html