Add pagedown as import
diff --git a/DESCRIPTION b/DESCRIPTION
index d391b08..1e0d73c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -17,6 +17,6 @@
 LazyData: true
 URL: https://github.com/brentthorne/posterdown
 BugReports: https://github.com/brentthorne/posterdown/issues
-Imports: rmarkdown, bookdown, knitr, yaml, tinytex, ggplot2, rticles, kableExtra, Cairo
+Imports: rmarkdown, bookdown, knitr, yaml, tinytex, ggplot2, pagedown, rticles, kableExtra, Cairo
 SystemRequirements: GNU make
 RoxygenNote: 6.1.1
diff --git a/NAMESPACE b/NAMESPACE
index 89326ce..8966494 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -5,4 +5,5 @@
 import(bookdown)
 import(ggplot2)
 import(knitr)
+import(pagedown)
 import(rmarkdown)
diff --git a/R/posterdown.R b/R/posterdown.R
index 2128629..c23ea6c 100644
--- a/R/posterdown.R
+++ b/R/posterdown.R
@@ -13,6 +13,7 @@
 #' @name posterdown
 #' @import rmarkdown
 #' @import bookdown
+#' @import pagedown
 #' @import ggplot2
 #' @import knitr
 NULL