diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 34ece6a6..479fbf75 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -15,7 +15,7 @@ formats:
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-   version: 2.7
+   version: 3.8
    install:
    - requirements: doc/requirements.txt
    system_packages: true
\ No newline at end of file
diff --git a/doc/requirements.txt b/doc/requirements.txt
index ee525a61..e487171e 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -5,4 +5,4 @@ pandas
 pyyaml
 GromacsWrapper>=0.5.1
 alchemlyb
-mdanalysis<2
+mdanalysis