diff --git a/Project.toml b/Project.toml
index fb029bc5..695ee04e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,6 +39,7 @@ GeometryTypes = "0.7"
 JSON = "0.21"
 Measures = "0.3"
 NaNMath = "0.3"
+PGFPlotsX = "1.2.0"
 PlotThemes = "1"
 PlotUtils = "0.6.1"
 RecipesBase = "0.6, 0.7"