diff --git a/Project.toml b/Project.toml
index 4b30a998..fa9054cb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,6 +12,7 @@ Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 Weave = "44d3d7a6-8a23-5bf8-98c5-b353f8df5ec9"
 
 [compat]
+DSP = "0.6"
 IJulia = "1.20"
 Weave = "0.9, 0.10"
 julia = "1.4"