diff --git a/index.md b/index.md
index 0fb16aa3..a9c789b3 100644
--- a/index.md
+++ b/index.md
@@ -4,29 +4,25 @@ author: François Michonneau & Auriel Fournier (Lesson Maintainers)
 site: sandpaper::sandpaper_site
 ---
 
-<p></p>
+::::::::::::::::::::::::::: callout
 
-<div style="text-align: center; margin-top: 30px; margin-bottom: 30px;">
+### This version of the lesson will soon be replaced
 
-![](episodes/fig/DC-logo-vision.png){alt=""}
+[This lesson will be replaced with a redesigned version on 8th July 2024](https://carpentries.org/blog/2024/03/dc-r-ecology-adoption/). 
+If you plan to teach this lesson before that date, we recommend that you consider using the redesigned version instead. 
+Feedback on the new version of the lesson and your experience teaching it is very welcome as issues on [the source repository](https://github.com/datacarpentry/R-ecology-lesson-alternative/).
 
-</div>
+::::::::::::::::::::::::::::::::::::::
 
 <p></p>
 
-::::::::::::::::::::::::::: instructor
+<div style="text-align: center; margin-top: 30px; margin-bottom: 30px;">
 
-## Try out the alternative version of this lesson!
-[A redesigned version of this lesson](https://carpentries-incubator.github.io/R-ecology-lesson-alternative/) 
-is currently in beta testing and 
-[the Data Carpentry Ecology Curriculum Advisors are looking for feedback](https://carpentries.org/blog/2023/07/r-ecology-alt-beta/)
-from Instructors who try teaching it,
-with the aim of evaluating whether it should be adopted to replace this lesson in the official Data Carpentry Ecology curriculum.
+![](episodes/fig/DC-logo-vision.png){alt=""}
 
-If you are planning to teach a Data Carpentry Ecology workshop, or this lesson only,
-why not try out the alternative version and let the CAC know what you think?
+</div>
 
-::::::::::::::::::::::::::::::::::::::
+<p></p>
 
 Data Carpentry's aim is to teach researchers basic concepts, skills,
 and tools for working with data so that they can get more done in less
diff --git a/md5sum.txt b/md5sum.txt
index 82552b28..1dfd6d08 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -4,7 +4,7 @@
 "LICENSE.Rmd" "ac8cf7fc8ee2cfb893ff831001b97e29" "site/built/LICENSE.md" "2024-03-12"
 "NEWS.md" "fd72095d364a9ae2aefcaa02168bb2a7" "site/built/NEWS.md" "2024-03-12"
 "config.yaml" "0bdaec9a0c1aefd12e53078e75896f83" "site/built/config.yaml" "2024-03-12"
-"index.Rmd" "cab3567537c781068382a4a0fd803220" "site/built/index.md" "2024-03-12"
+"index.Rmd" "f4dc53fbc99acaad7151855bb079c0ef" "site/built/index.md" "2024-03-26"
 "episodes/00-before-we-start.Rmd" "0f589f0a88627ca4a046d84abf8a3ace" "site/built/00-before-we-start.md" "2024-03-12"
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 "episodes/02-starting-with-data.Rmd" "1d17881fd589b9208eda76c8bef547bd" "site/built/02-starting-with-data.md" "2024-03-12"