diff --git a/go.mod b/go.mod
index 64a2c1c0..47c0e573 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/hashicorp/go-version v1.6.0
 	github.com/kisielk/errcheck v1.6.3
 	github.com/spf13/cobra v1.7.0
-	github.com/stretchr/testify v1.8.3
+	github.com/stretchr/testify v1.8.4
 	github.com/vmware-tanzu/carvel-imgpkg v0.37.1
 	github.com/vmware-tanzu/carvel-vendir v0.34.0
 	golang.org/x/sync v0.2.0
diff --git a/go.sum b/go.sum
index e1fc0cd9..cd0cc02a 100644
--- a/go.sum
+++ b/go.sum
@@ -116,8 +116,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
-github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/urfave/cli v1.22.12/go.mod h1:sSBEIC79qR6OvcmsD4U3KABeOTxDqQtdDnaFuUN30b8=
 github.com/vbatts/tar-split v0.11.3 h1:hLFqsOLQ1SsppQNTMpkpPXClLDfC2A3Zgy9OUU+RVck=
 github.com/vbatts/tar-split v0.11.3/go.mod h1:9QlHN18E+fEH7RdG+QAJJcuya3rqT7eXSTY7wGrAokY=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6bff07a4..c47de31d 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -133,7 +133,7 @@ github.com/spf13/cobra
 # github.com/spf13/pflag v1.0.5
 ## explicit; go 1.12
 github.com/spf13/pflag
-# github.com/stretchr/testify v1.8.3
+# github.com/stretchr/testify v1.8.4
 ## explicit; go 1.20
 github.com/stretchr/testify/assert
 github.com/stretchr/testify/require