diff --git a/environment.yml b/environment.yml
index 0647070d0..8f41fdac7 100644
--- a/environment.yml
+++ b/environment.yml
@@ -12,7 +12,9 @@ dependencies:
   - conda-forge-pinning
   - conda-forge-tick >=2024.9.26
   - conda-forge-feedstock-ops >=0.10.1  # pin to fix bug in rerenders
+  - conda-recipe-manager
   - conda-smithy >=3.34.1  # this pin is for jinja2 sandboxes
+  - conda-souschef
   - cryptography >=39
   - python-dateutil
   - git