diff --git a/main.go b/main.go
index b2953bb6..1fbca33b 100644
--- a/main.go
+++ b/main.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"strings"
 
@@ -644,7 +643,7 @@ func cleanCache(c *cli.Context) {
 }
 
 func parseScriptOptions() *options.ChartsScriptOptions {
-	configYaml, err := ioutil.ReadFile(ChartsScriptOptionsFile)
+	configYaml, err := os.ReadFile(ChartsScriptOptionsFile)
 	if err != nil {
 		logrus.Fatalf("Unable to find configuration file: %s", err)
 	}
diff --git a/pkg/charts/crdchart.go b/pkg/charts/crdchart.go
index b1ef0c10..242695dc 100644
--- a/pkg/charts/crdchart.go
+++ b/pkg/charts/crdchart.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -77,7 +76,7 @@ func AddCRDValidationToChart(fs billy.Filesystem, helmChartPathWithoutCRDs, helm
 			return nil
 		}
 		absPath := filesystem.GetAbsPath(fs, path)
-		yamlFile, err := ioutil.ReadFile(absPath)
+		yamlFile, err := os.ReadFile(absPath)
 		if err != nil {
 			return fmt.Errorf("unable to read file %s: %s", absPath, err)
 		}
@@ -133,7 +132,7 @@ func AddCRDValidationToChart(fs billy.Filesystem, helmChartPathWithoutCRDs, helm
 	validateInstallCRDsContents := fmt.Sprintf(ValidateInstallCRDContentsFmt, strings.Join(formattedCRDs, "\n"))
 	validateInstallCRDsDestpath := filepath.Join(helmChartPathWithoutCRDs, path.ChartValidateInstallCRDFile)
 	// Write to file
-	err = ioutil.WriteFile(filesystem.GetAbsPath(fs, validateInstallCRDsDestpath), []byte(validateInstallCRDsContents), os.ModePerm)
+	err = os.WriteFile(filesystem.GetAbsPath(fs, validateInstallCRDsDestpath), []byte(validateInstallCRDsContents), os.ModePerm)
 	if err != nil {
 		return fmt.Errorf("encountered error while writing into %s: %s", validateInstallCRDsDestpath, err)
 	}
diff --git a/pkg/filesystem/filesystem.go b/pkg/filesystem/filesystem.go
index 3bb379ed..16f035e6 100644
--- a/pkg/filesystem/filesystem.go
+++ b/pkg/filesystem/filesystem.go
@@ -6,15 +6,15 @@ import (
 	"compress/gzip"
 	"crypto/sha1"
 	"fmt"
-	"github.com/rancher/charts-build-scripts/pkg/util"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
 	"sort"
 	"strings"
 
+	"github.com/rancher/charts-build-scripts/pkg/util"
+
 	"github.com/go-git/go-billy/v5"
 	"github.com/go-git/go-billy/v5/osfs"
 	"github.com/sirupsen/logrus"
@@ -591,11 +591,11 @@ func CopyDir(fs billy.Filesystem, srcDir string, dstDir string) error {
 		if isDir {
 			return fs.MkdirAll(dstPath, os.ModePerm)
 		}
-		data, err := ioutil.ReadFile(GetAbsPath(fs, srcPath))
+		data, err := os.ReadFile(GetAbsPath(fs, srcPath))
 		if err != nil {
 			return err
 		}
-		return ioutil.WriteFile(GetAbsPath(fs, dstPath), data, os.ModePerm)
+		return os.WriteFile(GetAbsPath(fs, dstPath), data, os.ModePerm)
 	})
 }
 
@@ -608,7 +608,7 @@ func MakeSubdirectoryRoot(fs billy.Filesystem, path, subdirectory string) error
 	if !exists {
 		return fmt.Errorf("subdirectory %s does not exist in path %s in filesystem %s", subdirectory, path, fs.Root())
 	}
-	absTempDir, err := ioutil.TempDir(fs.Root(), "make-subdirectory-root")
+	absTempDir, err := os.MkdirTemp(fs.Root(), "make-subdirectory-root")
 	if err != nil {
 		return err
 	}
diff --git a/pkg/options/package.go b/pkg/options/package.go
index a9e1d774..2f3529dd 100644
--- a/pkg/options/package.go
+++ b/pkg/options/package.go
@@ -2,7 +2,6 @@ package options
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	"github.com/go-git/go-billy/v5"
@@ -105,7 +104,7 @@ func LoadPackageOptionsFromFile(fs billy.Filesystem, path string) (PackageOption
 	if !exists {
 		return packageOptions, fmt.Errorf("unable to load package options from file %s since it does not exist", filesystem.GetAbsPath(fs, path))
 	}
-	chartOptionsBytes, err := ioutil.ReadFile(filesystem.GetAbsPath(fs, path))
+	chartOptionsBytes, err := os.ReadFile(filesystem.GetAbsPath(fs, path))
 	if err != nil {
 		return packageOptions, err
 	}
@@ -146,7 +145,7 @@ func LoadChartOptionsFromFile(fs billy.Filesystem, path string) (ChartOptions, e
 	if !exists {
 		return chartOptions, fmt.Errorf("unable to load chart options from file %s since it does not exist", filesystem.GetAbsPath(fs, path))
 	}
-	chartOptionsBytes, err := ioutil.ReadFile(filesystem.GetAbsPath(fs, path))
+	chartOptionsBytes, err := os.ReadFile(filesystem.GetAbsPath(fs, path))
 	if err != nil {
 		return chartOptions, err
 	}
diff --git a/pkg/options/validate.go b/pkg/options/validate.go
index d2f56686..95df0c02 100644
--- a/pkg/options/validate.go
+++ b/pkg/options/validate.go
@@ -1,7 +1,6 @@
 package options
 
 import (
-	"io/ioutil"
 	"os"
 
 	"github.com/hashicorp/go-version"
@@ -78,7 +77,7 @@ func LoadReleaseOptionsFromFile(fs billy.Filesystem, path string) (ReleaseOption
 		// If release.yaml does not exist, return an empty ReleaseOptions
 		return releaseOptions, nil
 	}
-	releaseOptionsBytes, err := ioutil.ReadFile(filesystem.GetAbsPath(fs, path))
+	releaseOptionsBytes, err := os.ReadFile(filesystem.GetAbsPath(fs, path))
 	if err != nil {
 		return releaseOptions, err
 	}
diff --git a/pkg/repository/git.go b/pkg/repository/git.go
index 79793646..e0cc784a 100644
--- a/pkg/repository/git.go
+++ b/pkg/repository/git.go
@@ -2,7 +2,6 @@ package repository
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"time"
@@ -118,7 +117,7 @@ func CreateInitialCommit(repo *git.Repository) error {
 	if err != nil {
 		return err
 	}
-	if err = ioutil.WriteFile(path.Join(repoPath, "README.md"), []byte{}, 0644); err != nil {
+	if err = os.WriteFile(path.Join(repoPath, "README.md"), []byte{}, 0644); err != nil {
 		return err
 	}
 	return CommitAll(repo, "Create initial commit")