diff --git a/Project.toml b/Project.toml
index d783dc5..7092291 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,6 +47,7 @@ QHull = "0.2"
 SpecialFunctions = "2.1"
 StatsBase = "0.33"
 WAV = "1.2"
+MFCC = "0.3.3"
 julia = "1.6 - 1.8"
 
 [extras]