diff --git a/docs/insiders/index.md b/docs/insiders/index.md
index 381091678..842c2663e 100644
--- a/docs/insiders/index.md
+++ b/docs/insiders/index.md
@@ -93,7 +93,7 @@ which are currently exclusively available to sponsors:
 
 <div class="mdx-columns" markdown>
 
-- [x] [Optimize plugin] :material-alert-decagram:{ .mdx-pulse title="Added on January 21, 2022" }
+- [x] [Optimize plugin] :material-alert-decagram:{ .mdx-pulse title="Added on January 21, 2023" }
 - [x] [Navigation path] (Breadcrumbs) :material-alert-decagram:{ .mdx-pulse title="Added on January 14, 2023" }
 - [x] [Typeset plugin] :material-alert-decagram:{ .mdx-pulse title="Added on December 20, 2022" }
 - [x] [Privacy plugin: external links]
diff --git a/docs/setup/building-an-optimized-site.md b/docs/setup/building-an-optimized-site.md
index 72507f119..1110dfc98 100644
--- a/docs/setup/building-an-optimized-site.md
+++ b/docs/setup/building-an-optimized-site.md
@@ -13,7 +13,7 @@ further useful automatic optimization techniques.
 
 ## Configuration
 
-### Built-in optimize plugin :material-alert-decagram:{ .mdx-pulse title="Added on January 21, 2022" }
+### Built-in optimize plugin :material-alert-decagram:{ .mdx-pulse title="Added on January 21, 2023" }
 
 [:octicons-heart-fill-24:{ .mdx-heart } Sponsors only][Insiders]{ .mdx-insiders } ·
 [:octicons-tag-24: insiders-4.29.0][Insiders] ·