diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ea5816..3950355 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,14 +3,19 @@
 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).
 
-## v1.0dev - [date]
+## v1.1.0 - 2024-04-09
 
-Initial release of nf-core/crispriscreen, created with the [nf-core](https://nf-co.re/) template.
+Major update to modules, added singularity container, fixed plotting issues.
 
 ### `Added`
 
+- major update of all nf-core modules
+- singularity container for fitness module and rmarkdown noteboooks
+
 ### `Fixed`
 
-### `Dependencies`
+- fixes various issues with local packages, e.g. plotting
 
-### `Deprecated`
+## v1.0.0 - 2024-01-22
+
+Initial release of nf-core/crispriscreen, created with the [nf-core](https://nf-co.re/) template.