diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 2030caf..8e9f93b 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -34,7 +34,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: rstudio/shiny-workflows/setup-r-package@v1
         with:
diff --git a/DESCRIPTION b/DESCRIPTION
index b127b91..8ce9cf1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -66,10 +66,10 @@ Imports:
 Suggests:
     testthat
 Config/Needs/deploy: dplyr, ggplot2, DT, talgalili/d3heatmap, plotly,
-    plyr, biclust, webshot, bit, jcheng5/bubbles, digest,
+    plyr, Biclustering/biclust, webshot, bit, jcheng5/bubbles, digest,
     hadley/shinySignals, dygraphs, quantmod, forecast, highcharter,
-    arules, treemap, viridisLite, leaflet, metricsgraphics, rbokeh, readr,
-    tidyr, jsonlite, maptools, purrr, maps, hexbin
+    arules, treemap, viridisLite, leaflet, hrbrmstr/metricsgraphics,
+    hafen/rbokeh, readr, tidyr, jsonlite, purrr, maps, hexbin
 Config/Needs/website: rstudio/quillt
 Config/roxygen2/version: 8.0.0
 Config/testthat/edition: 3
diff --git a/examples/12_leaflet-waste/dashboard.Rmd b/examples/12_leaflet-waste/dashboard.Rmd
index c0efc13..181e793 100644
--- a/examples/12_leaflet-waste/dashboard.Rmd
+++ b/examples/12_leaflet-waste/dashboard.Rmd
@@ -12,7 +12,6 @@ output:
 library(flexdashboard)
 library(shiny)
 library(jsonlite)
-library(maptools)
 library(ggplot2)
 library(tidyr)
 library(dplyr)