diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ba121f6..cc8bf8f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@
 
 ### Enhancements
 
+- Remove Internet Explorer 9 upgrade notice. [#3666](https://github.com/mmistakes/minimal-mistakes/pull/3666)
 - Add Kiswahili localized UI text strings. [#3489](https://github.com/mmistakes/minimal-mistakes/pull/3489)
 - Exclude `main.scss` from Lunr search index.
 - Allow `site.pages` to be indexed and searched via Lunr. [#3352](https://github.com/mmistakes/minimal-mistakes/pull/3352)
diff --git a/docs/_docs/18-history.md b/docs/_docs/18-history.md
index a15e6bc5..cc89788c 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: 2022-05-27T14:07:53-04:00
+last_modified_at: 2022-05-29T14:34:56-04:00
 toc: false
 ---
 
@@ -31,6 +31,7 @@ toc: false
 
 ### Enhancements
 
+- Remove Internet Explorer 9 upgrade notice. [#3666](https://github.com/mmistakes/minimal-mistakes/pull/3666)
 - Add Kiswahili localized UI text strings. [#3489](https://github.com/mmistakes/minimal-mistakes/pull/3489)
 - Exclude `main.scss` from Lunr search index.
 - Allow `site.pages` to be indexed and searched via Lunr. [#3352](https://github.com/mmistakes/minimal-mistakes/pull/3352)