diff --git a/modules/index_bam.nf b/modules/index_bam.nf
index 1ba0cba..9433080 100644
--- a/modules/index_bam.nf
+++ b/modules/index_bam.nf
@@ -1,8 +1,8 @@
 process INDEX_BAM {
-  conda (params.enable_conda ? "bioconda::samtools=1.15.1" : null)
+  conda (params.enable_conda ? "bioconda::samtools=1.16.1" : null)
   container "${ workflow.containerEngine == 'singularity' ? 
-                'https://depot.galaxyproject.org/singularity/samtools:1.15.1--h1170115_0' : 
-                'quay.io/biocontainers/samtools:1.15.1--h1170115_0' }"
+                'https://depot.galaxyproject.org/singularity/samtools%3A1.16.1--h6899075_0' : 
+                'quay.io/biocontainers/samtools:1.16.1--h1170115_0' }"
 
   input:
   file bam