diff --git a/ci/environment.yml b/ci/environment.yml
index 1e6ca0451..cd8bc2f0d 100644
--- a/ci/environment.yml
+++ b/ci/environment.yml
@@ -3,10 +3,8 @@ channels:
   - conda-forge
 dependencies:
   - myst-nb==0.10.1
+  - sphinx-book-theme
   - sphinx-panels
-  - pydata-sphinx-theme
-  - jupyterlab
-  - sphinx-autobuild
   - matplotlib
-  - sphinx-book-theme
   - pandas
+  - pyyaml