diff --git a/bio/bismark/bismark_methylation_extractor/environment.yaml b/bio/bismark/bismark_methylation_extractor/environment.yaml
index f8eb2760d5..11a5c9f51c 100644
--- a/bio/bismark/bismark_methylation_extractor/environment.yaml
+++ b/bio/bismark/bismark_methylation_extractor/environment.yaml
@@ -3,7 +3,7 @@ channels:
   - bioconda
   - nodefaults
 dependencies:
-  - bowtie2 =2.5.0
+  - bowtie2 =2.5.1
   - bismark =0.24.0
   - samtools =1.16.1
   - perl-gdgraph =1.54