diff --git a/docs/environment.yml b/docs/environment.yml
index 713aef528..6e4a92e63 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -6,9 +6,9 @@ dependencies:
   - fenics
   - matplotlib==3.7.1
   - pip>=20.1
+  - sphinx==7
   - pip:
     - sympy
-    - sphinx_book_theme==1.0.1
-    - sphinx==6.2.1
-    - sphinx-design==0.4.1
+    - sphinx_book_theme==1.1.0rc1
+    - sphinx-design==0.5.0
     - sphinxcontrib-bibtex