diff --git a/go.mod b/go.mod
index 27eb5b6..2d8ee57 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,15 @@
 module github.com/schollz/faas
 
-go 1.12
+go 1.23.0
 
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/muesli/cache2go v0.0.0-20191019095710-4098a3aa8c94
+	github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021
 	github.com/schollz/logger v1.2.0
-	github.com/stretchr/testify v1.3.0
+	github.com/stretchr/testify v1.9.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index cb583d3..d90193a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,14 @@
-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=
-github.com/muesli/cache2go v0.0.0-20191019095710-4098a3aa8c94 h1:aJflkQlskelDMdsFUYWffZXg0xtmYtjQJGwzRx3byDw=
-github.com/muesli/cache2go v0.0.0-20191019095710-4098a3aa8c94/go.mod h1:414R+qZrt4f9S2TO/s6YVQMNAXR2KdwqQ7pW+O4oYzU=
+github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021 h1:31Y+Yu373ymebRdJN1cWLLooHH8xAr0MhKTEJGV/87g=
+github.com/muesli/cache2go v0.0.0-20221011235721-518229cd8021/go.mod h1:WERUkUryfUWlrHnFSO/BEUZ+7Ns8aZy7iVOGewxKzcc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/schollz/logger v1.2.0 h1:5WXfINRs3lEUTCZ7YXhj0uN+qukjizvITLm3Ca2m0Ho=
 github.com/schollz/logger v1.2.0/go.mod h1:P6F4/dGMGcx8wh+kG1zrNEd4vnNpEBY/mwEMd/vn6AM=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/pkg/gofaas/gofaas.go b/pkg/gofaas/gofaas.go
index 6485827..a6661cf 100644
--- a/pkg/gofaas/gofaas.go
+++ b/pkg/gofaas/gofaas.go
@@ -70,6 +70,8 @@ func BuildContainer(importPathOrURL string, functionName string, containerName s
 	imagesPath := path.Join(cwd, "images")
 
 	defer os.Chdir(cwd)
+	absCwd, _ := filepath.Abs(tempdir)
+	log.Tracef("cd into %s", absCwd)
 	os.Chdir(tempdir)
 
 	stdout, stderr, err := utils.RunCommand(fmt.Sprintf("docker build -t %s .", containerName))
@@ -458,7 +460,7 @@ const Dockerfile = `
 ##################################
 # 1. Build in a Go-based image   #
 ###################################
-FROM golang:1.14-alpine as builder
+FROM golang as builder
 RUN apk add git
 WORKDIR /go/main
 COPY . .