diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45c31c46..d98efb34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-## [2.2.0] - 2022-xx-xx
+## [2.2.0] - 2022-08-01
 ### Added
 - New submodule `input.pandas` added which adds the possibility to read and write pandas DataFrames containing `Obs` or `Corr` objects to csv files or SQLite databases.
 - `hash` method for `Obs` objects added.
diff --git a/pyerrors/version.py b/pyerrors/version.py
index 0d8c75f0..8a124bf6 100644
--- a/pyerrors/version.py
+++ b/pyerrors/version.py
@@ -1 +1 @@
-__version__ = "2.2.0+dev"
+__version__ = "2.2.0"