diff --git a/Makefile b/Makefile
index 63eadb3..5af0a57 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 
 IMAGE_NAME ?= docsonnet
 IMAGE_PREFIX ?= jsonnetlibs
-IMAGE_TAG ?= 0.0.3
+IMAGE_TAG ?= 0.0.4
 
 build:
 	docker buildx build -t $(IMAGE_PREFIX)/$(IMAGE_NAME):$(IMAGE_TAG) .
diff --git a/pkg/docsonnet/load.go b/pkg/docsonnet/load.go
index e859e7f..4a192de 100644
--- a/pkg/docsonnet/load.go
+++ b/pkg/docsonnet/load.go
@@ -3,7 +3,7 @@ package docsonnet
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 
 	"github.com/google/go-jsonnet"
@@ -35,7 +35,7 @@ func Extract(filename string, opts Opts) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	load, err := ioutil.ReadAll(file)
+	load, err := io.ReadAll(file)
 	if err != nil {
 		return nil, err
 	}
@@ -51,7 +51,7 @@ func Extract(filename string, opts Opts) ([]byte, error) {
 	// invoke load.libsonnet
 	vm.ExtCode("main", fmt.Sprintf(`(import "%s")`, filename))
 
-	data, err := vm.EvaluateSnippet("load.libsonnet", string(load))
+	data, err := vm.EvaluateAnonymousSnippet("load.libsonnet", string(load))
 	if err != nil {
 		return nil, err
 	}
@@ -83,7 +83,7 @@ func newImporter(paths []string) (*importer, error) {
 	if err != nil {
 		return nil, err
 	}
-	load, err := ioutil.ReadAll(file)
+	load, err := io.ReadAll(file)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/render/fs.go b/pkg/render/fs.go
index fbc0941..d8e34ba 100644
--- a/pkg/render/fs.go
+++ b/pkg/render/fs.go
@@ -1,7 +1,6 @@
 package render
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -22,7 +21,7 @@ func To(pkg docsonnet.Package, dir string, opts Opts) (int, error) {
 		if err := os.MkdirAll(dir, os.ModePerm); err != nil {
 			return n, err
 		}
-		if err := ioutil.WriteFile(fullpath, []byte(v), 0644); err != nil {
+		if err := os.WriteFile(fullpath, []byte(v), 0644); err != nil {
 			return n, err
 		}
 		n++