diff --git a/setup.py b/setup.py
index dee71d4d09..d7fc930113 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
     "anndata2ri==1.1.*",
 ]
 
-evaluate_requires = ["snakemake==7.8.*"]
+evaluate_requires = ["snakemake>=7.8,<7.21"]
 
 process_requires = ["numpyencoder==0.3.*"]