diff --git a/DESCRIPTION b/DESCRIPTION
index 493453db..df2b922b 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -54,7 +54,7 @@ Suggests:
     broom (>= 0.5.6),
     patchwork,
     tidyr (>= 1.0.0),
-    ragg,
+    ragg (>= 1.3.0),
     pkgdown
 License: GPL (>= 3)
 Language: en-US
diff --git a/icons/build_icons.R b/icons/build_icons.R
index 52b443d6..7f725d1c 100755
--- a/icons/build_icons.R
+++ b/icons/build_icons.R
@@ -20,7 +20,7 @@ make_icon = function(
   y_expansion = 0.4
 ) {
   for (name in names) tryCatch({
-    agg_png(here::here("icons", paste0(name, ".png")), width = 60, height = 60) #, type = "cairo")
+    agg_png(here::here("icons", paste0(name, ".png")), width = 60, height = 60)
 
     p = ggplot(data, mapping) +
       geom(..., interval_size_range = c(0.6, 1.4) * 1.5) +
diff --git a/vignettes/children/chunk_options.txt b/vignettes/children/chunk_options.txt
index b3801f61..12db1b3d 100755
--- a/vignettes/children/chunk_options.txt
+++ b/vignettes/children/chunk_options.txt
@@ -34,7 +34,7 @@ knitr::opts_chunk$set(
 )
 
 # graphics device
-if (requireNamespace("ragg", quietly = TRUE) && in_pkgdown) {
+if (requireNamespace("ragg", quietly = TRUE)) {
   knitr::opts_chunk$set(
     dev = "ragg_png"
   )
diff --git a/vignettes/slabinterval.Rmd b/vignettes/slabinterval.Rmd
index a6da0f83..e596d251 100644
--- a/vignettes/slabinterval.Rmd
+++ b/vignettes/slabinterval.Rmd
@@ -749,8 +749,8 @@ df %>%
 ```
 
 As of this writing, in R version 4.1 or greater the graphics devices that support
-gradients --- i.e. device that support the `grid::linearGradient()` function ---
-include `pdf()`, `svg()`, and `png(type = "cairo")`. See [here](https://developer.r-project.org/Blog/public/2020/07/15/new-features-in-the-r-graphics-engine/) for more about the changes to the R graphics engine.
+gradients --- i.e. devices that support the `grid::linearGradient()` function ---
+include `pdf()`, `svg()`, `png(type = "cairo")`, and `ragg::agg_png()`. See [here](https://developer.r-project.org/Blog/public/2020/07/15/new-features-in-the-r-graphics-engine/) for more about the changes to the R graphics engine.
 
 ### On analytical distributions