diff --git a/environment.yml b/environment.yml
index 97b22265fe..64df68a1c2 100644
--- a/environment.yml
+++ b/environment.yml
@@ -44,7 +44,7 @@ dependencies:
   - coolprop
   - cantera::cantera=2.6
   - conda-forge::mopac
-  - conda-forge::cclib >=1.6.3,!=1.8.0
+  - conda-forge::cclib >=1.6.3,<1.8.0
   - conda-forge::openbabel >= 3
   - conda-forge::rdkit >=2022.09.1