diff --git a/vignettes/bpmodels.Rmd b/vignettes/bpmodels.Rmd
index d43cf40..c0ff22a 100644
--- a/vignettes/bpmodels.Rmd
+++ b/vignettes/bpmodels.Rmd
@@ -17,6 +17,10 @@ editor_options:
   chunk_output_type: console
 ---
 
+# Note
+
+> `{bpmodels}` is now *retired and will no longer be maintained*. We recommend using [`{epichains}`](https://github.com/epiverse-trace/epichains) instead. If you need help converting your code to use `{epichains}`, please [open a discussion on epichains](https://github.com/epiverse-trace/epichains/discussions).
+
 ```{r setup, include=FALSE}
 knitr::opts_chunk$set(echo = TRUE,
                       message = FALSE,
diff --git a/vignettes/branching_process_literature.Rmd b/vignettes/branching_process_literature.Rmd
index 4296f06..927cc04 100644
--- a/vignettes/branching_process_literature.Rmd
+++ b/vignettes/branching_process_literature.Rmd
@@ -17,6 +17,10 @@ editor_options:
 nocite: '@*'
 ---
 
+# Note
+
+> `{bpmodels}` is now *retired and will no longer be maintained*. We recommend using [`{epichains}`](https://github.com/epiverse-trace/epichains) instead. If you need help converting your code to use `{epichains}`, please [open a discussion on epichains](https://github.com/epiverse-trace/epichains/discussions).
+
 ```{r setup, include=FALSE}
 knitr::opts_chunk$set(
   echo = TRUE,
diff --git a/vignettes/projecting_incidence.Rmd b/vignettes/projecting_incidence.Rmd
index 0fb786f..fd73daa 100644
--- a/vignettes/projecting_incidence.Rmd
+++ b/vignettes/projecting_incidence.Rmd
@@ -10,13 +10,17 @@ pkgdown:
 bibliography: references.json
 link-citations: true
 vignette: >
-  %\VignetteIndexEntry{Projecting infectious disease incidence: a COVID-19 example}
   %\VignetteEncoding{UTF-8}
+  %\VignetteIndexEntry{Projecting infectious disease incidence: a COVID-19 example}
   %\VignetteEngine{knitr::rmarkdown}
 editor_options: 
   chunk_output_type: console
 ---
 
+# Note
+
+> `{bpmodels}` is now *retired and will no longer be maintained*. We recommend using [`{epichains}`](https://github.com/epiverse-trace/epichains) instead. If you need help converting your code to use `{epichains}`, please [open a discussion on epichains](https://github.com/epiverse-trace/epichains/discussions).
+
 ```{r setup, include=FALSE}
 knitr::opts_chunk$set(
   echo = TRUE,
diff --git a/vignettes/theoretical_background.Rmd b/vignettes/theoretical_background.Rmd
index 2cf551e..abe0c36 100644
--- a/vignettes/theoretical_background.Rmd
+++ b/vignettes/theoretical_background.Rmd
@@ -27,6 +27,10 @@ knitr::opts_chunk$set(
 )
 ```
 
+# Note
+
+> `{bpmodels}` is now *retired and will no longer be maintained*. We recommend using [`{epichains}`](https://github.com/epiverse-trace/epichains) instead. If you need help converting your code to use `{epichains}`, please [open a discussion on epichains](https://github.com/epiverse-trace/epichains/discussions).
+
 _bpmodels_ provides methods to analyse and simulate the size and length of branching processes with an arbitrary offspring distribution.
 In this vignette we lay out the mathematical concepts behind the functionality available
 in the package.