diff --git a/modules/cat/fastq/main.nf b/modules/cat/fastq/main.nf
index bf0877c3..b6854895 100644
--- a/modules/cat/fastq/main.nf
+++ b/modules/cat/fastq/main.nf
@@ -4,8 +4,8 @@ process CAT_FASTQ {
 
     conda (params.enable_conda ? "conda-forge::sed=4.7" : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
-        'https://containers.biocontainers.pro/s3/SingImgsRepo/biocontainers/v1.2.0_cv1/biocontainers_v1.2.0_cv1.img' :
-        'biocontainers/biocontainers:v1.2.0_cv1' }"
+        'https://depot.galaxyproject.org/singularity/ubuntu:20.04' :
+        'ubuntu:20.04' }"
 
     input:
     tuple val(meta), path(reads, stageAs: "input*/*")
diff --git a/modules/gunzip/main.nf b/modules/gunzip/main.nf
index 9d4b0666..61bf1afa 100644
--- a/modules/gunzip/main.nf
+++ b/modules/gunzip/main.nf
@@ -4,8 +4,8 @@ process GUNZIP {
 
     conda (params.enable_conda ? "conda-forge::sed=4.7" : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
-        'https://containers.biocontainers.pro/s3/SingImgsRepo/biocontainers/v1.2.0_cv1/biocontainers_v1.2.0_cv1.img' :
-        'biocontainers/biocontainers:v1.2.0_cv1' }"
+        'https://depot.galaxyproject.org/singularity/ubuntu:20.04' :
+        'ubuntu:20.04' }"
 
     input:
     tuple val(meta), path(archive)
diff --git a/modules/untar/main.nf b/modules/untar/main.nf
index bbfa0bfe..058d1764 100644
--- a/modules/untar/main.nf
+++ b/modules/untar/main.nf
@@ -2,10 +2,10 @@ process UNTAR {
     tag "$archive"
     label 'process_low'
 
-    conda (params.enable_conda ? "conda-forge::tar=1.34" : null)
+    conda (params.enable_conda ? "conda-forge::sed=4.7" : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
-        'https://containers.biocontainers.pro/s3/SingImgsRepo/biocontainers/v1.2.0_cv2/biocontainers_v1.2.0_cv2.img' :
-        'biocontainers/biocontainers:v1.2.0_cv2' }"
+        'https://depot.galaxyproject.org/singularity/ubuntu:20.04' :
+        'ubuntu:20.04' }"
 
     input:
     tuple val(meta), path(archive)