diff --git a/masterenv.yml b/masterenv.yml
index 1ef1f4b..9c50870 100644
--- a/masterenv.yml
+++ b/masterenv.yml
@@ -6,7 +6,7 @@ dependencies:
   - numpy=1.15.4
   - pybigWig
   - cd-hit
-  - jellyfish
+  - bioconda::jellyfish
   - r-base>=3.5.1
   - r-data.table
   - r-pbapply