diff --git a/workflow/envs/spades.yaml b/workflow/envs/spades.yaml
index d88fde2c..32c7a4d3 100644
--- a/workflow/envs/spades.yaml
+++ b/workflow/envs/spades.yaml
@@ -3,4 +3,4 @@ channels:
   - bioconda
   - nodefaults
 dependencies:
-  - spades =3.15
+  - spades =4.0