diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d3873b..b76ae3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # ImageOptimize Changelog
 
-## 1.6.55 - UNRELEASED
+## 1.6.55 - 2024.06.19
 ### Fixed
 * Fixed an issue where `srcsetMaxWidth()` could return incorrect results ([#407](https://github.com/nystudio107/craft-imageoptimize/issues/407))
 * Fixed an issue where the data-uri for inline SVG styles were incorrect in some browsers because the spaces were not URL-encoded ([#408](https://github.com/nystudio107/craft-imageoptimize/issues/408))