diff --git a/Project.toml b/Project.toml
index 9cfb490cb1..5064531328 100644
--- a/Project.toml
+++ b/Project.toml
@@ -7,4 +7,5 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 
 [compat]
+AstroLib = "0.4"
 Documenter = "0.24, 0.25, 0.26"