diff --git a/environment.yml b/environment.yml
index 3df7c63bb9..29014934bf 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,7 +7,7 @@ dependencies:
   - gawk
   - sphinx
   - sphinx-copybutton
-  - sphinx-design
+  - sphinx-design=0.5.0
   - sphinx_rtd_theme
   - pip
   - pip: