diff --git a/modules/bowtie2/align/main.nf b/modules/bowtie2/align/main.nf
index 04f817ec..20b08f72 100644
--- a/modules/bowtie2/align/main.nf
+++ b/modules/bowtie2/align/main.nf
@@ -2,10 +2,10 @@ process BOWTIE2_ALIGN {
     tag "$meta.id"
     label 'process_high'
 
-    conda (params.enable_conda ? 'bioconda::bowtie2=2.4.2 bioconda::samtools=1.11 conda-forge::pigz=2.3.4' : null)
+    conda (params.enable_conda ? 'bioconda::bowtie2=2.4.4 bioconda::samtools=1.14 conda-forge::pigz=2.6' : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
-        'https://depot.galaxyproject.org/singularity/mulled-v2-ac74a7f02cebcfcc07d8e8d1d750af9c83b4d45a:577a697be67b5ae9b16f637fd723b8263a3898b3-0' :
-        'quay.io/biocontainers/mulled-v2-ac74a7f02cebcfcc07d8e8d1d750af9c83b4d45a:577a697be67b5ae9b16f637fd723b8263a3898b3-0' }"
+        'https://depot.galaxyproject.org/singularity/mulled-v2-ac74a7f02cebcfcc07d8e8d1d750af9c83b4d45a:4d235f41348a00533f18e47c9669f1ecb327f629-0' :
+        'quay.io/biocontainers/mulled-v2-ac74a7f02cebcfcc07d8e8d1d750af9c83b4d45a:4d235f41348a00533f18e47c9669f1ecb327f629-0' }"
 
     input:
     tuple val(meta), path(reads)
@@ -13,10 +13,10 @@ process BOWTIE2_ALIGN {
     val   save_unaligned
 
     output:
-    tuple val(meta), path('*.bam'), emit: bam
-    tuple val(meta), path('*.log'), emit: log
-    path  "versions.yml"          , emit: versions
-    tuple val(meta), path('*fastq.gz'), optional:true, emit: fastq
+    tuple val(meta), path('*.bam')    , emit: bam
+    tuple val(meta), path('*.log')    , emit: log
+    tuple val(meta), path('*fastq.gz'), emit: fastq, optional:true
+    path  "versions.yml"              , emit: versions
 
     script:
     def args = task.ext.args ?: ''
diff --git a/modules/kraken2/kraken2/main.nf b/modules/kraken2/kraken2/main.nf
index 3c4d1caf..eaabb229 100644
--- a/modules/kraken2/kraken2/main.nf
+++ b/modules/kraken2/kraken2/main.nf
@@ -2,10 +2,10 @@ process KRAKEN2_KRAKEN2 {
     tag "$meta.id"
     label 'process_high'
 
-    conda (params.enable_conda ? 'bioconda::kraken2=2.1.1 conda-forge::pigz=2.6' : null)
+    conda (params.enable_conda ? 'bioconda::kraken2=2.1.2 conda-forge::pigz=2.6' : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
-        'https://depot.galaxyproject.org/singularity/mulled-v2-5799ab18b5fc681e75923b2450abaa969907ec98:941789bd7fe00db16531c26de8bf3c5c985242a5-0' :
-        'quay.io/biocontainers/mulled-v2-5799ab18b5fc681e75923b2450abaa969907ec98:941789bd7fe00db16531c26de8bf3c5c985242a5-0' }"
+        'https://depot.galaxyproject.org/singularity/mulled-v2-5799ab18b5fc681e75923b2450abaa969907ec98:87fc08d11968d081f3e8a37131c1f1f6715b6542-0' :
+        'quay.io/biocontainers/mulled-v2-5799ab18b5fc681e75923b2450abaa969907ec98:87fc08d11968d081f3e8a37131c1f1f6715b6542-0' }"
 
     input:
     tuple val(meta), path(reads)