diff --git a/go.mod b/go.mod
index b8073b1..462a675 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,7 @@
 	github.com/pkg/sftp v1.13.9
 	github.com/richardlehane/crock32 v1.0.1
 	github.com/sashabaranov/go-openai v1.38.2
+	github.com/stretchr/testify v1.10.0
 	go.skia.org/infra v0.0.0-20250421160028-59e18403fd4a
 	golang.org/x/crypto v0.37.0
 	golang.org/x/net v0.39.0
@@ -29,6 +30,7 @@
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
 	github.com/chromedp/cdproto v0.0.0-20250403032234-65de8f5d025b // indirect
 	github.com/chromedp/sysutil v1.1.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-json-experiment/json v0.0.0-20250211171154-1ae217ad3535 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
@@ -36,9 +38,11 @@
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/mod v0.24.0 // indirect
 	golang.org/x/sys v0.32.0 // indirect
 	golang.org/x/text v0.24.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 tool golang.org/x/tools/cmd/stringer