diff --git a/environment-dev.yml b/environment-dev.yml
index f035c59..095ef3d 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -12,4 +12,5 @@ dependencies:
   - microsoft::playwright
   - ninja
   - nodejs >= 18.7.0
-  - pyjs_code_runner >= 2.0.1
\ No newline at end of file
+  - pyjs_code_runner >= 2.0.1
+  - exceptiongroup
\ No newline at end of file