diff --git a/Project.toml b/Project.toml
index 8f84148..246b443 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,6 +27,7 @@ NaNMath = "0.3.5, 1"
 Polynomials = "1.2, 2, 3, 4"
 Query = "1"
 RvSpectMLBase = "0.2.3"
+Statistics = "1"
 StatsBase = "0.33, 0.34"
 julia = "1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9"