diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5720af2f..c8cedccf 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 1.5.1dev (UNRELEASED)
+
 ## 1.5.0 - 2024-08-12
 
 ### `Added`
diff --git a/assets/multiqc_config.yml b/assets/multiqc_config.yml
index 5a5753e0..e694d1bf 100644
--- a/assets/multiqc_config.yml
+++ b/assets/multiqc_config.yml
@@ -1,8 +1,8 @@
 report_comment: >
 
-  This report has been generated by the <a href="https://github.com/nf-core/demultiplex/releases/tag/1.5.0" target="_blank">nf-core/demultiplex</a>
+  This report has been generated by the <a href="https://github.com/nf-core/demultiplex/tree/dev" target="_blank">nf-core/demultiplex</a>
   analysis pipeline. For information about how to interpret these results, please see the
-  <a href="https://nf-co.re/demultiplex/1.5.0/docs/output" target="_blank">documentation</a>.
+  <a href="https://nf-co.re/demultiplex/dev/docs/output" target="_blank">documentation</a>.
 
 report_section_order:
   "nf-core-demultiplex-methods-description":
diff --git a/nextflow.config b/nextflow.config
index 61daeaf7..ff2b855c 100755
--- a/nextflow.config
+++ b/nextflow.config
@@ -275,7 +275,7 @@ manifest {
     description     = """Demultiplexing pipeline for Illumina sequencing data"""
     mainScript      = 'main.nf'
     nextflowVersion = '!>=23.04.0'
-    version         = '1.5.0'
+    version         = '1.5.1dev'
     doi             = '10.5281/zenodo.7153103'
 }
 
diff --git a/tests/pipeline/bases2fastq.nf.test.snap b/tests/pipeline/bases2fastq.nf.test.snap
index 5d27853c..fafbf06b 100644
--- a/tests/pipeline/bases2fastq.nf.test.snap
+++ b/tests/pipeline/bases2fastq.nf.test.snap
@@ -1,7 +1,7 @@
 {
     "software_versions": {
         "content": [
-            "{BASES2FASTQ={bases2fastq=1.8.0.1260801529, use subject to license available at elementbiosciences.com}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BASES2FASTQ={bases2fastq=1.8.0.1260801529, use subject to license available at elementbiosciences.com}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/bcl2fastq.nf.test.snap b/tests/pipeline/bcl2fastq.nf.test.snap
index 790585a1..d2a9811c 100644
--- a/tests/pipeline/bcl2fastq.nf.test.snap
+++ b/tests/pipeline/bcl2fastq.nf.test.snap
@@ -1,7 +1,7 @@
 {
     "software_versions": {
         "content": [
-            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/bclconvert.nf.test.snap b/tests/pipeline/bclconvert.nf.test.snap
index 31d34736..7bbc0d74 100644
--- a/tests/pipeline/bclconvert.nf.test.snap
+++ b/tests/pipeline/bclconvert.nf.test.snap
@@ -28,7 +28,7 @@
     },
     "software_versions": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.8.4",
diff --git a/tests/pipeline/fqtk.nf.test.snap b/tests/pipeline/fqtk.nf.test.snap
index 61feca7a..c8bb14ec 100644
--- a/tests/pipeline/fqtk.nf.test.snap
+++ b/tests/pipeline/fqtk.nf.test.snap
@@ -11,7 +11,7 @@
     },
     "software_versions": {
         "content": [
-            "{CSV2TSV={sed=4.8}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, FQTK={fqtk=0.2.1}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{CSV2TSV={sed=4.8}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, FQTK={fqtk=0.2.1}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/kraken.nf.test.snap b/tests/pipeline/kraken.nf.test.snap
index 148712c2..8bb4a483 100644
--- a/tests/pipeline/kraken.nf.test.snap
+++ b/tests/pipeline/kraken.nf.test.snap
@@ -63,7 +63,7 @@
     },
     "software_versions": {
         "content": [
-            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, KRAKEN2={kraken2=2.1.3, pigz=2.8}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, KRAKEN2={kraken2=2.1.3, pigz=2.8}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/mkfastq.nf.test.snap b/tests/pipeline/mkfastq.nf.test.snap
index d1d28977..6b200b57 100644
--- a/tests/pipeline/mkfastq.nf.test.snap
+++ b/tests/pipeline/mkfastq.nf.test.snap
@@ -1,7 +1,7 @@
 {
     "software_versions": {
         "content": [
-            "{CELLRANGER_MKFASTQ={cellranger=8.0.0}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{CELLRANGER_MKFASTQ={cellranger=8.0.0}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/sgdemux.nf.test.snap b/tests/pipeline/sgdemux.nf.test.snap
index 4f0b2a1c..f31955ce 100644
--- a/tests/pipeline/sgdemux.nf.test.snap
+++ b/tests/pipeline/sgdemux.nf.test.snap
@@ -1,7 +1,7 @@
 {
     "software_versions": {
         "content": [
-            "{FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, SGDEMUX={sgdemux=1.1.1}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, SGDEMUX={sgdemux=1.1.1}, UNTAR_FLOWCELL={untar=1.34}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/skip_tools.nf.test.snap b/tests/pipeline/skip_tools.nf.test.snap
index 5416560a..0f7a24be 100644
--- a/tests/pipeline/skip_tools.nf.test.snap
+++ b/tests/pipeline/skip_tools.nf.test.snap
@@ -1,7 +1,7 @@
 {
     "software_versions_skip_trimming": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
@@ -115,7 +115,7 @@
     },
     "software_versions_skip_fastqc": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
@@ -125,7 +125,7 @@
     },
     "software_versions_skip_fastp_fastqc": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
@@ -135,7 +135,7 @@
     },
     "software_versions_skip_multiqc": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
@@ -145,7 +145,7 @@
     },
     "software_versions_skip_fastp": {
         "content": [
-            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCLCONVERT={bclconvert=4.3.6}, FALCO={falco=1.2.1}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",
diff --git a/tests/pipeline/test_pe.nf.test.snap b/tests/pipeline/test_pe.nf.test.snap
index 079f7fa9..e093685d 100644
--- a/tests/pipeline/test_pe.nf.test.snap
+++ b/tests/pipeline/test_pe.nf.test.snap
@@ -66,7 +66,7 @@
     },
     "software_versions": {
         "content": [
-            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.0}}"
+            "{BCL2FASTQ={bcl2fastq=2.20.0.422}, FALCO={falco=1.2.1}, FASTP={fastp=0.23.4}, MD5SUM={md5sum=8.3}, Workflow={nf-core/demultiplex=v1.5.1dev}}"
         ],
         "meta": {
             "nf-test": "0.9.0",