diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08394b5..1268301 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ 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).
 
+## [3.1.0] - 2024-08-31
+
+### Changed
+
+- Use scikit-learn instead of pygam for calibration
+
 ## [3.0.8] - 2024-08-25
 
 ### Changed
diff --git a/pyproject.toml b/pyproject.toml
index 5950952..1470691 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "deeplc"
-version = "3.0.8"
+version = "3.1.0"
 description = "DeepLC: Retention time prediction for (modified) peptides using Deep Learning."
 readme = "README.md"
 license = { file = "LICENSE" }