diff --git a/Project.toml b/Project.toml
index 3a6caf8..29eec09 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,6 +17,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 VegaLite = "112f6efa-9a02-5b7d-90c0-432ed331239a"
 
 [compat]
+QuadGK = "2"
 julia = "1.1"
 
 [extras]