diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87c2402f589037c624c75cde16bf61cb34bd86b8..1b0b90bd8bd3900aff3776755dc35f342210efd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 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).
 
-## v1.3.1 - [date]
+## v1.4.0dev - [date]
 
 Initial release of nf-core/hic, created with the [nf-core](https://nf-co.re/) template.
 
diff --git a/nextflow.config b/nextflow.config
index 50a4460d870f900456e616c57736f24f3b1f720e..25e3fc456ba22009cd1b9d876e87dc48a4226c34 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -169,7 +169,7 @@ manifest {
     description     = 'Analysis of Chromosome Conformation Capture data (Hi-C)'
     mainScript      = 'main.nf'
     nextflowVersion = '!>=21.10.3'
-    version         = '1.3.1'
+    version         = '1.4.0dev'
 }
 
 // Load modules.config for DSL2 module specific options