diff --git a/lein/build.go b/lein/build.go
index 269591d..86804f6 100644
--- a/lein/build.go
+++ b/lein/build.go
@@ -102,7 +102,7 @@ func (b Build) Build(context libcnb.BuildContext) (libcnb.BuildResult, error) {
 		InterestingFileDetector:  libbs.AlwaysInterestingFileDetector{},
 	}
 
-	sbomScanner := sbom.NewSyftCLISBOMScanner(context.Layers, effect.NewExecutor(), b.Logger)
+	sbomScanner := sbom.NewSyftCLISBOMScanner(context.Layers, effect.CommandExecutor{}, b.Logger)
 
 	a, err := b.ApplicationFactory.NewApplication(
 		map[string]interface{}{},
diff --git a/lein/build_test.go b/lein/build_test.go
index 049277f..a26ceec 100644
--- a/lein/build_test.go
+++ b/lein/build_test.go
@@ -17,7 +17,6 @@
 package lein_test
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -43,12 +42,14 @@ func testBuild(t *testing.T, context spec.G, it spec.S) {
 	it.Before(func() {
 		var err error
 
-		ctx.Application.Path, err = ioutil.TempDir("", "build-application")
+		ctx.Application.Path, err = os.MkdirTemp("", "build-application")
 		Expect(err).NotTo(HaveOccurred())
 
-		ctx.Layers.Path, err = ioutil.TempDir("", "build-layers")
+		ctx.Layers.Path, err = os.MkdirTemp("", "build-layers")
 		Expect(err).NotTo(HaveOccurred())
 		leinBuild = lein.Build{ApplicationFactory: &FakeApplicationFactory{}}
+
+		t.Setenv("BP_ARCH", "amd64")
 	})
 
 	it.After(func() {
@@ -57,7 +58,7 @@ func testBuild(t *testing.T, context spec.G, it spec.S) {
 	})
 
 	it("does not contribute distribution if wrapper exists", func() {
-		Expect(ioutil.WriteFile(filepath.Join(ctx.Application.Path, "lein"), []byte{}, 0644)).To(Succeed())
+		Expect(os.WriteFile(filepath.Join(ctx.Application.Path, "lein"), []byte{}, 0644)).To(Succeed())
 		ctx.StackID = "test-stack-id"
 
 		result, err := leinBuild.Build(ctx)
diff --git a/lein/detect_test.go b/lein/detect_test.go
index f9426d8..fc37fe9 100644
--- a/lein/detect_test.go
+++ b/lein/detect_test.go
@@ -17,7 +17,6 @@
 package lein_test
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -40,7 +39,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 	it.Before(func() {
 		var err error
 
-		ctx.Application.Path, err = ioutil.TempDir("", "lein")
+		ctx.Application.Path, err = os.MkdirTemp("", "lein")
 		Expect(err).NotTo(HaveOccurred())
 	})
 
@@ -53,7 +52,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 	})
 
 	it("passes with project.clj", func() {
-		Expect(ioutil.WriteFile(filepath.Join(ctx.Application.Path, "project.clj"), []byte{}, 0644))
+		Expect(os.WriteFile(filepath.Join(ctx.Application.Path, "project.clj"), []byte{}, 0644))
 
 		Expect(detect.Detect(ctx)).To(Equal(libcnb.DetectResult{
 			Pass: true,
diff --git a/lein/distribution_test.go b/lein/distribution_test.go
index ce05efc..ab407a3 100644
--- a/lein/distribution_test.go
+++ b/lein/distribution_test.go
@@ -17,7 +17,6 @@
 package lein_test
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -42,7 +41,7 @@ func testDistribution(t *testing.T, context spec.G, it spec.S) {
 
 		Expect(err).NotTo(HaveOccurred())
 
-		ctx.Layers.Path, err = ioutil.TempDir("", "distribution-layers")
+		ctx.Layers.Path, err = os.MkdirTemp("", "distribution-layers")
 		Expect(err).NotTo(HaveOccurred())
 	})