diff --git a/workflow/envs/cojac.yaml b/workflow/envs/cojac.yaml
index a8aaddf9..8abff688 100644
--- a/workflow/envs/cojac.yaml
+++ b/workflow/envs/cojac.yaml
@@ -3,4 +3,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - cojac =0.9
+  - cojac =0.9.1