diff --git a/Project.toml b/Project.toml
index 765ca83..562d47b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,6 +12,7 @@ Interpolations = "a98d9a8b-a2ab-59e6-89dd-64a1c18fca59"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 
 [compat]
+GaussQuadrature = "0.5"
 julia = "1"
 
 [extras]