@@ -15,7 +15,7 @@ dependencies:

   - jupyter_sphinx

   - atomicwrites

   - sphinx_fontawesome

-  - sphinx=2.4.4  # because https://github.com/miyakogi/m2r/pull/55

-  - m2r

+  - sphinx

+  - m2r2

   - pip:

     - sphinx_rtd_theme