diff --git a/aviary.yml b/aviary.yml
index 96f5c4f6..97a5cc56 100644
--- a/aviary.yml
+++ b/aviary.yml
@@ -4,7 +4,7 @@ channels:
   - anaconda
 dependencies:
   - python>=3.8
-  - snakemake>=6.0.5
+  - snakemake>=6.0.5,<=7.32.3
   - ruamel.yaml>=0.15.99 # needs to be explicit
   - numpy
   - pandas