diff --git a/build-environment.yml b/build-environment.yml
index bdec7c4..88cb172 100644
--- a/build-environment.yml
+++ b/build-environment.yml
@@ -7,4 +7,4 @@ dependencies:
   - pip
   - pip:
     - jupyterlite-core==0.1.0 # https://github.com/jupyterlite/jupyterlite/releases
-    - jupyterlite-xeus-python==0.9.3 # https://github.com/jupyterlite/xeus-python-kernel/releases
\ No newline at end of file
+    - jupyterlite-xeus-python==0.8.1 # https://github.com/jupyterlite/xeus-python-kernel/releases