diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f456c88..406851a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 
 ### Enhancements
 
+- Adds `.webp` to list of supported image extensions for the image popup lightbox. [#2788](https://github.com/mmistakes/minimal-mistakes/pull/2788)
 - Add Hebrew localized UI text strings. [#2760](https://github.com/mmistakes/minimal-mistakes/pull/2760)
 - Update documentation to include `toc_sticky` parameter's description. [#2741](https://github.com/mmistakes/minimal-mistakes/pull/2741)
 - Update Indonesian localized UI text strings. [#2731](https://github.com/mmistakes/minimal-mistakes/pull/2731)
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index 31fbbb03..e850fefa 100644
--- a/docs/_docs/18-history.md
+++ b/docs/_docs/18-history.md
@@ -5,7 +5,7 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2021-02-05T20:13:31-05:00
+last_modified_at: 2021-02-05T20:15:16-05:00
 toc: false
 ---
 
@@ -18,6 +18,7 @@ toc: false
 
 ### Enhancements
 
+- Adds `.webp` to list of supported image extensions for the image popup lightbox. [#2788](https://github.com/mmistakes/minimal-mistakes/pull/2788)
 - Add Hebrew localized UI text strings. [#2760](https://github.com/mmistakes/minimal-mistakes/pull/2760)
 - Update documentation to include `toc_sticky` parameter's description. [#2741](https://github.com/mmistakes/minimal-mistakes/pull/2741)
 - Update Indonesian localized UI text strings. [#2731](https://github.com/mmistakes/minimal-mistakes/pull/2731)]