diff --git a/CHANGELOG.md b/CHANGELOG.md
index a74672fe37..3174f84e8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,7 @@
 - Add `--fail-warned` flag to `nf-core lint` to make warnings fail ([#1593](https://github.com/nf-core/tools/pull/1593))
 - Add `--fail-warned` flag to pipeline linting workflow ([#1593](https://github.com/nf-core/tools/pull/1593))
 - Updated the package requirements to prevent defunct installations of nf-core ([#1620](https://github.com/nf-core/tools/pull/1620))
+- Remove dependency of the mock package and use unittest.mock instead ([#1696](https://github.com/nf-core/tools/pull/1696))
 - Fix and improve broken test for Singularity container download ([#1622](https://github.com/nf-core/tools/pull/1622))
 - Use [`$XDG_CACHE_HOME`](https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html) or `~/.cache` instead of `$XDG_CONFIG_HOME` or `~/config/` as base directory for API cache
 - Switch CI to use [setup-nextflow](https://github.com/nf-core/setup-nextflow) action to install Nextflow ([#1650](https://github.com/nf-core/tools/pull/1650))