diff --git a/Project.toml b/Project.toml
index 6aa67c34c..c3e0567aa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -59,6 +59,7 @@ LambertW = "0.4.5"
 Latexify = "0.11, 0.12, 0.13, 0.14, 0.15, 0.16"
 MacroTools = "0.5"
 NaNMath = "0.3, 1"
+PrecompileTools = "1"
 RecipesBase = "1.1"
 Reexport = "0.2, 1"
 ReferenceTests = "0.9"