diff --git a/environment.yml b/environment.yml
index d703e5cdd..158fd44b7 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,5 +1,5 @@
 channels:
   - conda-forge
 dependencies:
-  - xeus-cling
-  - clad
+  - xeus-cpp
+  - clad=1.6=clang18_hfb8497b_2