diff --git a/ChangeLog.md b/ChangeLog.md
index 6591b59..39f3a54 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,7 +2,7 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [5.1.1] - 2023-MM-DD
+## [5.1.1] - 2023-09-24
 
 ### Changed
 
@@ -94,7 +94,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 
 * Remove HHVM-specific code that is no longer needed
 
-[5.1.1]: https://github.com/sebastianbergmann/exporter/compare/5.1.0...main
+[5.1.1]: https://github.com/sebastianbergmann/exporter/compare/5.1.0...5.1.1
 [5.1.0]: https://github.com/sebastianbergmann/exporter/compare/5.0.1...5.1.0
 [5.0.1]: https://github.com/sebastianbergmann/exporter/compare/5.0.0...5.0.1
 [5.0.0]: https://github.com/sebastianbergmann/exporter/compare/4.0.5...5.0.0