diff --git a/environment.yml b/environment.yml
index b8aa22f7..d0c29a3c 100644
--- a/environment.yml
+++ b/environment.yml
@@ -8,7 +8,7 @@ dependencies:
   - pip:
     # Build Requirements
     - jupyter-book==1.0.3
-    - quantecon-book-theme==0.8.1
+    - quantecon-book-theme==0.8.0  # jupyterhub links need to be the older style for datascience lectures
     - sphinx-tojupyter==0.3.0
     - sphinxext-rediraffe==0.2.7
     - sphinx-exercise==1.0.1