diff --git a/Project.toml b/Project.toml
index b75d16a..6127008 100644
--- a/Project.toml
+++ b/Project.toml
@@ -36,6 +36,7 @@ UnitfulEquivalences = "da9c4bc3-91c8-4f02-8a40-6b990d2a7e0c"
 
 [compat]
 CSV = "0.8, 0.9, 0.10"
+DSP = "0.7"
 DataFrames = "1"
 Peaks = "0.4"
 PhysicalConstants = "0.2"