diff --git a/workflow/envs/SComatic.yaml b/workflow/envs/SComatic.yaml
index 14b141b..39f712b 100644
--- a/workflow/envs/SComatic.yaml
+++ b/workflow/envs/SComatic.yaml
@@ -6,7 +6,7 @@ channels:
  - bioconda
  - pytorch
 dependencies:
-  - python=3.7
+  - python=3.9
   - r-base=3.6.1
   - minimap2
   - samtools