diff --git a/bio/macs2/callpeak/environment.yaml b/bio/macs2/callpeak/environment.yaml
index 8e5029413a..cbc0875f64 100644
--- a/bio/macs2/callpeak/environment.yaml
+++ b/bio/macs2/callpeak/environment.yaml
@@ -3,4 +3,4 @@ channels:
   - bioconda
   - nodefaults
 dependencies:
-  - macs2 =2.2.7.1
+  - macs2 =2.2.9.1