diff --git a/environment.yml b/environment.yml
index 9cbab15..7234ec0 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,7 +2,7 @@ name: forecasting
 channels:
   - conda-forge
 dependencies:
-  - firecrown>=1.8
+  - firecrown>=1.7.4
   - flake8
   - healpy
   - jinja2