diff --git a/Project.toml b/Project.toml
index 80d71153..2ac80ca7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -41,6 +41,7 @@ julia = "≥ 1.0.0"
 
 [extras]
 FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
+GeometryTypes = "4d00f742-c7ba-57c2-abde-4428a4b178cb"
 Gtk = "4c0ca9eb-093a-5379-98c5-f87ac0bbbf44"
 ImageMagick = "6218d12a-5da1-5696-b52f-db25d2ecc6d1"
 Images = "916415d5-f1e6-5110-898d-aaa5f9f070e0"
@@ -54,4 +55,4 @@ UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 VisualRegressionTests = "34922c18-7c2a-561c-bac1-01e79b2c4c92"
 
 [targets]
-test = ["FileIO", "Gtk", "ImageMagick", "Images", "LaTeXStrings", "LibGit2", "Random", "RDatasets", "StatsPlots", "Test", "UnicodePlots", "VisualRegressionTests"]
+test = ["FileIO", "GeometryTypes", "Gtk", "ImageMagick", "Images", "LaTeXStrings", "LibGit2", "Random", "RDatasets", "StatsPlots", "Test", "UnicodePlots", "VisualRegressionTests"]
diff --git a/test/runtests.jl b/test/runtests.jl
index 7e40db40..71877e34 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -6,6 +6,7 @@ using Test
 using FileIO
 using Gtk
 using LibGit2
+using GeometryTypes
 
 reference_dir(args...) = joinpath(homedir(), ".julia", "dev", "PlotReferenceImages", args...)