diff --git a/go.mod b/go.mod
index af1309c..7736160 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/codecrafters-io/docker-tester
 go 1.13
 
 require (
-	github.com/codecrafters-io/tester-utils v0.2.20
+	github.com/codecrafters-io/tester-utils v0.2.21
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/sys v0.19.0 // indirect
diff --git a/go.sum b/go.sum
index a70ac1b..6ca658d 100644
--- a/go.sum
+++ b/go.sum
@@ -12,6 +12,8 @@ github.com/codecrafters-io/tester-utils v0.2.18 h1:fjIWERlzR1700Mogr8+30H3bYyLY+
 github.com/codecrafters-io/tester-utils v0.2.18/go.mod h1:BeSLyqBpFxUwIm41QlnuRG7ZsabBXWE2Ga3LMFUXAPM=
 github.com/codecrafters-io/tester-utils v0.2.20 h1:t/IFFXOrSgRIoq6x4kUnRdjuai7EcwWH42Za25hvneA=
 github.com/codecrafters-io/tester-utils v0.2.20/go.mod h1:BeSLyqBpFxUwIm41QlnuRG7ZsabBXWE2Ga3LMFUXAPM=
+github.com/codecrafters-io/tester-utils v0.2.21 h1:eVq/23WocZMCFnNPiB6rgP/4FZ/tlLoijT2EulkOng4=
+github.com/codecrafters-io/tester-utils v0.2.21/go.mod h1:BeSLyqBpFxUwIm41QlnuRG7ZsabBXWE2Ga3LMFUXAPM=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=