diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 93094017ff..c37f881c77 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -103,7 +103,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -e .[canalystii,gs_usb]
+        pip install -e .[canalystii,gs_usb,mf4]
         pip install -r doc/doc-requirements.txt
     - name: Build documentation
       run: |
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 74cb9dbdd8..32be9c7b52 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -29,3 +29,4 @@ python:
       extra_requirements:
         - canalystii
         - gs_usb
+        - mf4