diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6381fba6..d7b5835d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,13 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
-## [2.4.0] - 2022-xx-xx
+## [2.4.0] - 2022-12-01
 ### Added
 - Log-derivatives and symmetric log-effective mass added.
 - Covariance for irregular Monte Carlo chains sped up.
+- Additional checks in `Corr.GEVP` added.
 
 ### Fixed
 - Bug in `Obs.details` fixed which appeared when tau had zero error.
+- Bug in `input.json` export in connection with `numpy.int64` fixed.
+- Small bug fixes in `input.openQCD`.
+
 
 
 ## [2.3.1] - 2022-10-19
diff --git a/pyerrors/version.py b/pyerrors/version.py
index fc1038a9..3d67cd6b 100644
--- a/pyerrors/version.py
+++ b/pyerrors/version.py
@@ -1 +1 @@
-__version__ = "2.4.0+dev"
+__version__ = "2.4.0"