Release v5.1.1 (#162)

Author: applejag

CHANGELOG.md

@@ -12,7 +12,7 @@ This project tries to follow [SemVer 2.0.0](https://semver.org/).
 	https://changelog.md/
 -->
 
-## v5.1.1 (WIP)
+## v5.1.1 (2022-03-07)
 
 - Fixed bug of failing migrations that was introduced in v5.1.0. (#161, #163)