diff --git a/go.mod b/go.mod
index 3bd7cf2..c3b1080 100644
--- a/go.mod
+++ b/go.mod
@@ -8,10 +8,13 @@ require (
 	github.com/farseer-go/cache v0.15.0
 	github.com/farseer-go/collections v0.15.0
 	github.com/farseer-go/fs v0.15.0
+	github.com/stretchr/testify v1.9.0
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/farseer-go/mapper v0.15.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/timandy/routine v1.1.4 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )