diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 5c858510eb..b2eb81ef0f 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2017 Alex Vong <alexvong1995@gmail.com>
 ;;; Copyright © 2017, 2018 Rene Saavedra <pacoon@protonmail.com>
 ;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2019 Alex Griffin <a@ajgrf.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -514,6 +515,9 @@ by using the poppler rendering engine.")
                      ;; For building documentation.
                      ("python-sphinx" ,python-sphinx)
 
+                     ;; For building icons.
+                     ("librsvg" ,librsvg)
+
                      ;; For tests.
                      ("check" ,check)
                      ("xorg-server" ,xorg-server-for-tests)))