diff --git a/doc/environment.yml b/doc/environment.yml
index 650a341..c3d43ce 100644
--- a/doc/environment.yml
+++ b/doc/environment.yml
@@ -16,4 +16,4 @@ dependencies:
   - breathe
   - numpydoc
   - myst-parser
-  - pygments=2.11.2  # Sphinx fails without this: 'HtmlFormatter' object has no attribute 'get_linenos_style_defs' with newer versions
+  - pygments