diff --git a/modules/local/star_align_igenomes/main.nf b/modules/local/star_align_igenomes/main.nf
index 32f3cac29..22981ed06 100644
--- a/modules/local/star_align_igenomes/main.nf
+++ b/modules/local/star_align_igenomes/main.nf
@@ -2,7 +2,7 @@ process STAR_ALIGN_IGENOMES {
     tag "$meta.id"
     label 'process_high'
 
-    conda "bioconda::star=2.6.1d bioconda::samtools=1.10 conda-forge::gawk=5.1.0"
+    conda "seqera::star=2.6.1d bioconda::samtools conda-forge::gawk=5.1.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
         'https://depot.galaxyproject.org/singularity/mulled-v2-1fa26d1ce03c295fe2fdcf85831a92fbcbd7e8c2:59cdd445419f14abac76b31dd0d71217994cbcc9-0' :
         'biocontainers/mulled-v2-1fa26d1ce03c295fe2fdcf85831a92fbcbd7e8c2:59cdd445419f14abac76b31dd0d71217994cbcc9-0' }"
diff --git a/modules/local/star_genomegenerate_igenomes/main.nf b/modules/local/star_genomegenerate_igenomes/main.nf
index 814bc7c8c..c36025b05 100644
--- a/modules/local/star_genomegenerate_igenomes/main.nf
+++ b/modules/local/star_genomegenerate_igenomes/main.nf
@@ -2,7 +2,7 @@ process STAR_GENOMEGENERATE_IGENOMES {
     tag "$fasta"
     label 'process_high'
 
-    conda "bioconda::star=2.6.1d bioconda::samtools=1.10 conda-forge::gawk=5.1.0"
+    conda "bioconda::star bioconda::samtools conda-forge::gawk=5.1.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
         'https://depot.galaxyproject.org/singularity/mulled-v2-1fa26d1ce03c295fe2fdcf85831a92fbcbd7e8c2:59cdd445419f14abac76b31dd0d71217994cbcc9-0' :
         'biocontainers/mulled-v2-1fa26d1ce03c295fe2fdcf85831a92fbcbd7e8c2:59cdd445419f14abac76b31dd0d71217994cbcc9-0' }"
diff --git a/modules/nf-core/bbmap/bbsplit/environment.yml b/modules/nf-core/bbmap/bbsplit/environment.yml
index 4c6db6276..2e7bb8194 100644
--- a/modules/nf-core/bbmap/bbsplit/environment.yml
+++ b/modules/nf-core/bbmap/bbsplit/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::bbmap=39.01
+  - bioconda::bbmap
diff --git a/modules/nf-core/bedtools/genomecov/environment.yml b/modules/nf-core/bedtools/genomecov/environment.yml
index 8fbe20c31..4d4e55eaf 100644
--- a/modules/nf-core/bedtools/genomecov/environment.yml
+++ b/modules/nf-core/bedtools/genomecov/environment.yml
@@ -1,7 +1,8 @@
 name: bedtools_genomecov
 channels:
+  - seqera
   - conda-forge
   - bioconda
   - defaults
 dependencies:
-  - bioconda::bedtools=2.31.1
+  - bioconda::bedtools
diff --git a/modules/nf-core/bedtools/genomecov/main.nf b/modules/nf-core/bedtools/genomecov/main.nf
index 954e8913d..b02bf1cfe 100644
--- a/modules/nf-core/bedtools/genomecov/main.nf
+++ b/modules/nf-core/bedtools/genomecov/main.nf
@@ -27,7 +27,7 @@ process BEDTOOLS_GENOMECOV {
     if (!args_list.contains('-bg') && (scale > 0 && scale != 1)) {
         args += " -bg"
     }
-    def sort_cmd = sort ? '| bedtools sort' : ''
+    def sort_cmd = sort ? '| sort -k1,1 -k2,2n' : ''
 
     def prefix = task.ext.prefix ?: "${meta.id}"
     if (intervals.name =~ /\.bam/) {
diff --git a/modules/nf-core/cat/fastq/environment.yml b/modules/nf-core/cat/fastq/environment.yml
index 8c69b121f..7a9bebebf 100644
--- a/modules/nf-core/cat/fastq/environment.yml
+++ b/modules/nf-core/cat/fastq/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - conda-forge::coreutils=8.30
+  - conda-forge::coreutils
diff --git a/modules/nf-core/custom/catadditionalfasta/environment.yml b/modules/nf-core/custom/catadditionalfasta/environment.yml
index 5e757bf4c..a801ae936 100644
--- a/modules/nf-core/custom/catadditionalfasta/environment.yml
+++ b/modules/nf-core/custom/catadditionalfasta/environment.yml
@@ -6,4 +6,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - conda-forge::python=3.9.5"
+  - conda-forge::python"
diff --git a/modules/nf-core/custom/getchromsizes/environment.yml b/modules/nf-core/custom/getchromsizes/environment.yml
index 2a01695f1..7555c59ee 100644
--- a/modules/nf-core/custom/getchromsizes/environment.yml
+++ b/modules/nf-core/custom/getchromsizes/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.16.1
+  - bioconda::samtools
diff --git a/modules/nf-core/custom/tx2gene/environment.yml b/modules/nf-core/custom/tx2gene/environment.yml
index a859dc881..638bc4a75 100644
--- a/modules/nf-core/custom/tx2gene/environment.yml
+++ b/modules/nf-core/custom/tx2gene/environment.yml
@@ -6,4 +6,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - python=3.9.5
+  - python
diff --git a/modules/nf-core/dupradar/environment.yml b/modules/nf-core/dupradar/environment.yml
index 58b2bf11d..0f6aa3d2b 100644
--- a/modules/nf-core/dupradar/environment.yml
+++ b/modules/nf-core/dupradar/environment.yml
@@ -6,4 +6,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - "bioconda::bioconductor-dupradar=1.32.0"
+  - "bioconda::bioconductor-dupradar"
diff --git a/modules/nf-core/fastp/environment.yml b/modules/nf-core/fastp/environment.yml
index 70389e664..6970ba186 100644
--- a/modules/nf-core/fastp/environment.yml
+++ b/modules/nf-core/fastp/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::fastp=0.23.4
+  - bioconda::fastp
diff --git a/modules/nf-core/fastqc/environment.yml b/modules/nf-core/fastqc/environment.yml
index 1787b38a9..936bf0896 100644
--- a/modules/nf-core/fastqc/environment.yml
+++ b/modules/nf-core/fastqc/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::fastqc=0.12.1
+  - bioconda::fastqc
diff --git a/modules/nf-core/fq/subsample/environment.yml b/modules/nf-core/fq/subsample/environment.yml
index c588de38a..71231aa8b 100644
--- a/modules/nf-core/fq/subsample/environment.yml
+++ b/modules/nf-core/fq/subsample/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::fq=0.9.1
+  - bioconda::fq
diff --git a/modules/nf-core/gffread/environment.yml b/modules/nf-core/gffread/environment.yml
index 5398f71c5..17e6bb6cb 100644
--- a/modules/nf-core/gffread/environment.yml
+++ b/modules/nf-core/gffread/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::gffread=0.12.1
+  - bioconda::gffread
diff --git a/modules/nf-core/gunzip/environment.yml b/modules/nf-core/gunzip/environment.yml
index 25910b340..d05be27a8 100644
--- a/modules/nf-core/gunzip/environment.yml
+++ b/modules/nf-core/gunzip/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - conda-forge::sed=4.7
+  - conda-forge::sed
diff --git a/modules/nf-core/hisat2/align/environment.yml b/modules/nf-core/hisat2/align/environment.yml
index 0c1415f94..f10c74a40 100644
--- a/modules/nf-core/hisat2/align/environment.yml
+++ b/modules/nf-core/hisat2/align/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::hisat2=2.2.1
-  - bioconda::samtools=1.16.1
+  - bioconda::hisat2
+  - bioconda::samtools
diff --git a/modules/nf-core/hisat2/build/environment.yml b/modules/nf-core/hisat2/build/environment.yml
index 2e67cd3ea..78fa8b257 100644
--- a/modules/nf-core/hisat2/build/environment.yml
+++ b/modules/nf-core/hisat2/build/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::hisat2=2.2.1
+  - bioconda::hisat2
diff --git a/modules/nf-core/hisat2/extractsplicesites/environment.yml b/modules/nf-core/hisat2/extractsplicesites/environment.yml
index 4b03e5e46..4ae5a0986 100644
--- a/modules/nf-core/hisat2/extractsplicesites/environment.yml
+++ b/modules/nf-core/hisat2/extractsplicesites/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::hisat2=2.2.1
+  - bioconda::hisat2
diff --git a/modules/nf-core/kallisto/index/environment.yml b/modules/nf-core/kallisto/index/environment.yml
index 471b006a8..5ddd1ce3f 100644
--- a/modules/nf-core/kallisto/index/environment.yml
+++ b/modules/nf-core/kallisto/index/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::kallisto=0.48.0
+  - bioconda::kallisto
diff --git a/modules/nf-core/kallisto/quant/environment.yml b/modules/nf-core/kallisto/quant/environment.yml
index c2d6306bb..8b95f28f3 100644
--- a/modules/nf-core/kallisto/quant/environment.yml
+++ b/modules/nf-core/kallisto/quant/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::kallisto=0.48.0
+  - bioconda::kallisto
diff --git a/modules/nf-core/multiqc/environment.yml b/modules/nf-core/multiqc/environment.yml
index ca39fb67e..7c7e1e5d7 100644
--- a/modules/nf-core/multiqc/environment.yml
+++ b/modules/nf-core/multiqc/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::multiqc=1.21
+  - bioconda::multiqc
diff --git a/modules/nf-core/picard/markduplicates/environment.yml b/modules/nf-core/picard/markduplicates/environment.yml
index 58b795f54..7e0b0b34c 100644
--- a/modules/nf-core/picard/markduplicates/environment.yml
+++ b/modules/nf-core/picard/markduplicates/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::picard=3.1.1
+  - bioconda::picard
diff --git a/modules/nf-core/preseq/lcextrap/environment.yml b/modules/nf-core/preseq/lcextrap/environment.yml
index 57b8b9c67..7d8613bcc 100644
--- a/modules/nf-core/preseq/lcextrap/environment.yml
+++ b/modules/nf-core/preseq/lcextrap/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::preseq=3.1.2
+  - bioconda::preseq
diff --git a/modules/nf-core/qualimap/rnaseq/environment.yml b/modules/nf-core/qualimap/rnaseq/environment.yml
index 590ae85f7..f1f0b04db 100644
--- a/modules/nf-core/qualimap/rnaseq/environment.yml
+++ b/modules/nf-core/qualimap/rnaseq/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::qualimap=2.3
+  - bioconda::qualimap
diff --git a/modules/nf-core/rsem/calculateexpression/environment.yml b/modules/nf-core/rsem/calculateexpression/environment.yml
index b811fa6fe..47d0158ab 100644
--- a/modules/nf-core/rsem/calculateexpression/environment.yml
+++ b/modules/nf-core/rsem/calculateexpression/environment.yml
@@ -1,8 +1,9 @@
 name: rsem_calculateexpression
 channels:
+  - seqera
   - conda-forge
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rsem=1.3.3
-  - bioconda::star=2.7.10a
+  - bioconda::rsem
+  - bioconda::star
diff --git a/modules/nf-core/rsem/preparereference/environment.yml b/modules/nf-core/rsem/preparereference/environment.yml
index c80e69106..c4ef537cb 100644
--- a/modules/nf-core/rsem/preparereference/environment.yml
+++ b/modules/nf-core/rsem/preparereference/environment.yml
@@ -1,8 +1,9 @@
 name: rsem_preparereference
 channels:
+  - seqera
   - conda-forge
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rsem=1.3.3
-  - bioconda::star=2.7.10a
+  - seqera::rsem
+  - seqera::star=2.6.1d
diff --git a/modules/nf-core/rseqc/bamstat/environment.yml b/modules/nf-core/rseqc/bamstat/environment.yml
index e960c9943..2894094ee 100644
--- a/modules/nf-core/rseqc/bamstat/environment.yml
+++ b/modules/nf-core/rseqc/bamstat/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/inferexperiment/environment.yml b/modules/nf-core/rseqc/inferexperiment/environment.yml
index 78215985a..e6affc939 100644
--- a/modules/nf-core/rseqc/inferexperiment/environment.yml
+++ b/modules/nf-core/rseqc/inferexperiment/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/innerdistance/environment.yml b/modules/nf-core/rseqc/innerdistance/environment.yml
index fb6e9e925..bb7838a3f 100644
--- a/modules/nf-core/rseqc/innerdistance/environment.yml
+++ b/modules/nf-core/rseqc/innerdistance/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/junctionannotation/environment.yml b/modules/nf-core/rseqc/junctionannotation/environment.yml
index 35276b715..9c43c0d5a 100644
--- a/modules/nf-core/rseqc/junctionannotation/environment.yml
+++ b/modules/nf-core/rseqc/junctionannotation/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/junctionsaturation/environment.yml b/modules/nf-core/rseqc/junctionsaturation/environment.yml
index 7b9cc4fa7..7e2607545 100644
--- a/modules/nf-core/rseqc/junctionsaturation/environment.yml
+++ b/modules/nf-core/rseqc/junctionsaturation/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/readdistribution/environment.yml b/modules/nf-core/rseqc/readdistribution/environment.yml
index 59be9fa88..dcdc0defd 100644
--- a/modules/nf-core/rseqc/readdistribution/environment.yml
+++ b/modules/nf-core/rseqc/readdistribution/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/readduplication/environment.yml b/modules/nf-core/rseqc/readduplication/environment.yml
index c99f107a1..3600c7054 100644
--- a/modules/nf-core/rseqc/readduplication/environment.yml
+++ b/modules/nf-core/rseqc/readduplication/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/rseqc/tin/environment.yml b/modules/nf-core/rseqc/tin/environment.yml
index 288da4300..f24194b5f 100644
--- a/modules/nf-core/rseqc/tin/environment.yml
+++ b/modules/nf-core/rseqc/tin/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::rseqc=5.0.3
-  - conda-forge::r-base>=3.5
+  - bioconda::rseqc
+  - conda-forge::r-base
diff --git a/modules/nf-core/salmon/index/environment.yml b/modules/nf-core/salmon/index/environment.yml
index a6607d964..29f762517 100644
--- a/modules/nf-core/salmon/index/environment.yml
+++ b/modules/nf-core/salmon/index/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::salmon=1.10.1
+  - bioconda::salmon
diff --git a/modules/nf-core/salmon/quant/environment.yml b/modules/nf-core/salmon/quant/environment.yml
index 862667241..28439bdbe 100644
--- a/modules/nf-core/salmon/quant/environment.yml
+++ b/modules/nf-core/salmon/quant/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::salmon=1.10.1
+  - bioconda::salmon
diff --git a/modules/nf-core/samtools/flagstat/environment.yml b/modules/nf-core/samtools/flagstat/environment.yml
index bd57cb54d..cd58f431d 100644
--- a/modules/nf-core/samtools/flagstat/environment.yml
+++ b/modules/nf-core/samtools/flagstat/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.19.2
-  - bioconda::htslib=1.19.1
+  - bioconda::samtools
+  - bioconda::htslib
diff --git a/modules/nf-core/samtools/idxstats/environment.yml b/modules/nf-core/samtools/idxstats/environment.yml
index 174973b88..5d0378237 100644
--- a/modules/nf-core/samtools/idxstats/environment.yml
+++ b/modules/nf-core/samtools/idxstats/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.19.2
-  - bioconda::htslib=1.19.1
+  - bioconda::samtools
+  - bioconda::htslib
diff --git a/modules/nf-core/samtools/index/environment.yml b/modules/nf-core/samtools/index/environment.yml
index a5e506498..84b752bde 100644
--- a/modules/nf-core/samtools/index/environment.yml
+++ b/modules/nf-core/samtools/index/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.19.2
-  - bioconda::htslib=1.19.1
+  - bioconda::samtools
+  - bioconda::htslib
diff --git a/modules/nf-core/samtools/sort/environment.yml b/modules/nf-core/samtools/sort/environment.yml
index 4d898e486..fbb6233ea 100644
--- a/modules/nf-core/samtools/sort/environment.yml
+++ b/modules/nf-core/samtools/sort/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.19.2
-  - bioconda::htslib=1.19.1
+  - bioconda::samtools
+  - bioconda::htslib
diff --git a/modules/nf-core/samtools/sort/main.nf b/modules/nf-core/samtools/sort/main.nf
index fc374f980..0aed6b796 100644
--- a/modules/nf-core/samtools/sort/main.nf
+++ b/modules/nf-core/samtools/sort/main.nf
@@ -32,7 +32,6 @@ process SAMTOOLS_SORT {
 
     """
     samtools cat \\
-        --threads $task.cpus \\
         ${bam} \\
     | \\
     samtools sort \\
diff --git a/modules/nf-core/samtools/stats/environment.yml b/modules/nf-core/samtools/stats/environment.yml
index 67bb0ca40..74f55132b 100644
--- a/modules/nf-core/samtools/stats/environment.yml
+++ b/modules/nf-core/samtools/stats/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.19.2
-  - bioconda::htslib=1.19.1
+  - bioconda::samtools
+  - bioconda::htslib
diff --git a/modules/nf-core/sortmerna/environment.yml b/modules/nf-core/sortmerna/environment.yml
index f40f9958d..369a72994 100644
--- a/modules/nf-core/sortmerna/environment.yml
+++ b/modules/nf-core/sortmerna/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::sortmerna=4.3.6
+  - bioconda::sortmerna
diff --git a/modules/nf-core/star/align/environment.yml b/modules/nf-core/star/align/environment.yml
index 8bd58cff5..f639ccfb0 100644
--- a/modules/nf-core/star/align/environment.yml
+++ b/modules/nf-core/star/align/environment.yml
@@ -4,7 +4,7 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::star=2.7.10a
-  - bioconda::samtools=1.18
-  - bioconda::htslib=1.18
-  - conda-forge::gawk=5.1.0
+  - bioconda::star
+  - bioconda::samtools
+  - bioconda::htslib
+  - conda-forge::gawk
diff --git a/modules/nf-core/star/genomegenerate/environment.yml b/modules/nf-core/star/genomegenerate/environment.yml
index 791f255e5..1170105b5 100644
--- a/modules/nf-core/star/genomegenerate/environment.yml
+++ b/modules/nf-core/star/genomegenerate/environment.yml
@@ -4,7 +4,7 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::samtools=1.18
-  - bioconda::htslib=1.18
-  - bioconda::star=2.7.10a
-  - conda-forge::gawk=5.1.0
+  - bioconda::samtools
+  - bioconda::htslib
+  - bioconda::star
+  - conda-forge::gawk
diff --git a/modules/nf-core/stringtie/stringtie/environment.yml b/modules/nf-core/stringtie/stringtie/environment.yml
index 7a0eccdb8..7c3a0158d 100644
--- a/modules/nf-core/stringtie/stringtie/environment.yml
+++ b/modules/nf-core/stringtie/stringtie/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::stringtie=2.2.1
+  - bioconda::stringtie
diff --git a/modules/nf-core/subread/featurecounts/environment.yml b/modules/nf-core/subread/featurecounts/environment.yml
index ca19439d7..812744486 100644
--- a/modules/nf-core/subread/featurecounts/environment.yml
+++ b/modules/nf-core/subread/featurecounts/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::subread=2.0.1
+  - bioconda::subread
diff --git a/modules/nf-core/summarizedexperiment/summarizedexperiment/environment.yml b/modules/nf-core/summarizedexperiment/summarizedexperiment/environment.yml
index 252ace791..f97e7d943 100644
--- a/modules/nf-core/summarizedexperiment/summarizedexperiment/environment.yml
+++ b/modules/nf-core/summarizedexperiment/summarizedexperiment/environment.yml
@@ -6,4 +6,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - "bioconda::bioconductor-summarizedexperiment=1.32.0"
+  - "bioconda::bioconductor-summarizedexperiment"
diff --git a/modules/nf-core/trimgalore/environment.yml b/modules/nf-core/trimgalore/environment.yml
index 17b39f4a5..234bca959 100644
--- a/modules/nf-core/trimgalore/environment.yml
+++ b/modules/nf-core/trimgalore/environment.yml
@@ -4,5 +4,5 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::trim-galore=0.6.7
-  - bioconda::cutadapt=3.4
+  - bioconda::trim-galore
+  - bioconda::cutadapt
diff --git a/modules/nf-core/tximeta/tximport/environment.yml b/modules/nf-core/tximeta/tximport/environment.yml
index 24b202222..4649d1759 100644
--- a/modules/nf-core/tximeta/tximport/environment.yml
+++ b/modules/nf-core/tximeta/tximport/environment.yml
@@ -6,4 +6,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - "bioconda::bioconductor-tximeta=1.20.1"
+  - "bioconda::bioconductor-tximeta"
diff --git a/modules/nf-core/ucsc/bedclip/environment.yml b/modules/nf-core/ucsc/bedclip/environment.yml
index 571dc2749..ae7bcb0d1 100644
--- a/modules/nf-core/ucsc/bedclip/environment.yml
+++ b/modules/nf-core/ucsc/bedclip/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::ucsc-bedclip=377
+  - bioconda::ucsc-bedclip
diff --git a/modules/nf-core/ucsc/bedgraphtobigwig/environment.yml b/modules/nf-core/ucsc/bedgraphtobigwig/environment.yml
index f91e216f5..1e6658778 100644
--- a/modules/nf-core/ucsc/bedgraphtobigwig/environment.yml
+++ b/modules/nf-core/ucsc/bedgraphtobigwig/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::ucsc-bedgraphtobigwig=445
+  - bioconda::ucsc-bedgraphtobigwig
diff --git a/modules/nf-core/umitools/dedup/environment.yml b/modules/nf-core/umitools/dedup/environment.yml
index bc497824f..173040160 100644
--- a/modules/nf-core/umitools/dedup/environment.yml
+++ b/modules/nf-core/umitools/dedup/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::umi_tools=1.1.5
+  - bioconda::umi_tools
diff --git a/modules/nf-core/umitools/extract/environment.yml b/modules/nf-core/umitools/extract/environment.yml
index aab452d1e..0d979b32c 100644
--- a/modules/nf-core/umitools/extract/environment.yml
+++ b/modules/nf-core/umitools/extract/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::umi_tools=1.1.5
+  - bioconda::umi_tools
diff --git a/modules/nf-core/umitools/prepareforrsem/environment.yml b/modules/nf-core/umitools/prepareforrsem/environment.yml
index dbb1bde77..cf83ff218 100644
--- a/modules/nf-core/umitools/prepareforrsem/environment.yml
+++ b/modules/nf-core/umitools/prepareforrsem/environment.yml
@@ -4,4 +4,4 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - bioconda::umi_tools=1.1.5
+  - bioconda::umi_tools
diff --git a/modules/nf-core/untar/environment.yml b/modules/nf-core/untar/environment.yml
index 0c9cbb101..fbf281f50 100644
--- a/modules/nf-core/untar/environment.yml
+++ b/modules/nf-core/untar/environment.yml
@@ -6,6 +6,6 @@ channels:
   - defaults
 
 dependencies:
-  - conda-forge::grep=3.11
-  - conda-forge::sed=4.7
-  - conda-forge::tar=1.34
+  - conda-forge::grep
+  - conda-forge::sed
+  - conda-forge::tar
diff --git a/nextflow.config b/nextflow.config
index ca0d3a7e6..1164e2542 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -123,7 +123,7 @@ params {
 
     // Max resource options
     // Defaults only, expecting to be overwritten
-    max_memory                 = '128.GB'
+    max_memory                 = '256.GB'
     max_cpus                   = 16
     max_time                   = '240.h'
 
diff --git a/workflows/rnaseq/main.nf b/workflows/rnaseq/main.nf
index b679a4b34..13c5bf118 100755
--- a/workflows/rnaseq/main.nf
+++ b/workflows/rnaseq/main.nf
@@ -142,7 +142,7 @@ workflow RNASEQ {
     .reads
     .mix(ch_fastq.single)
     .set { ch_cat_fastq }
-    ch_versions = ch_versions.mix(CAT_FASTQ.out.versions.first().ifEmpty(null))
+    ch_versions = ch_versions.mix(CAT_FASTQ.out.versions.first())
 
     //
     // SUBWORKFLOW: Read QC, extract UMI and trim adapters with TrimGalore!