diff --git a/.ci_support/environment-matgl.yml b/.ci_support/environment-matgl.yml
index 63b928ea..5f1c65db 100644
--- a/.ci_support/environment-matgl.yml
+++ b/.ci_support/environment-matgl.yml
@@ -1,4 +1,4 @@
 channels:
 - conda-forge
 dependencies:
-- matgl =0.9.2
+- matgl =1.1.1