diff --git a/pkg/installers/pip/detect_test.go b/pkg/installers/pip/detect_test.go
index 7bb2b11..97689c1 100644
--- a/pkg/installers/pip/detect_test.go
+++ b/pkg/installers/pip/detect_test.go
@@ -5,7 +5,6 @@
 package pip_test
 
 import (
-	"os"
 	"testing"
 
 	"github.com/paketo-buildpacks/packit/v2"
@@ -50,11 +49,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 		context("when BP_PIP_VERSION is set", func() {
 			it.Before(func() {
-				Expect(os.Setenv("BP_PIP_VERSION", "some-version")).To(Succeed())
-			})
-
-			it.After(func() {
-				Expect(os.Unsetenv("BP_PIP_VERSION")).To(Succeed())
+				t.Setenv("BP_PIP_VERSION", "some-version")
 			})
 
 			it("returns a build plan that provides the version of pip from BP_PIP_VERSION", func() {
@@ -85,7 +80,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 			context("when the provided version is of the form X.Y", func() {
 				it.Before(func() {
-					Expect(os.Setenv("BP_PIP_VERSION", "2.11")).To(Succeed())
+					t.Setenv("BP_PIP_VERSION", "2.11")
 				})
 
 				it("selects the version X.Y.0", func() {
@@ -118,7 +113,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 			context("when the provided version is of the form X.Y.Z", func() {
 				it.Before(func() {
-					Expect(os.Setenv("BP_PIP_VERSION", "22.1.3")).To(Succeed())
+					t.Setenv("BP_PIP_VERSION", "22.1.3")
 				})
 
 				it("selects the exact provided version X.Y.Z", func() {
@@ -151,7 +146,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 			context("when the provided version is of some other form", func() {
 				it.Before(func() {
-					Expect(os.Setenv("BP_PIP_VERSION", "some.other")).To(Succeed())
+					t.Setenv("BP_PIP_VERSION", "some.other")
 				})
 
 				it("selects the exact provided version", func() {
diff --git a/pkg/installers/poetry/detect_test.go b/pkg/installers/poetry/detect_test.go
index 7c3b4b2..4a807a0 100644
--- a/pkg/installers/poetry/detect_test.go
+++ b/pkg/installers/poetry/detect_test.go
@@ -78,11 +78,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 	context("when the BP_POETRY_VERSION is set", func() {
 		it.Before(func() {
-			Expect(os.Setenv("BP_POETRY_VERSION", "some-version")).To(Succeed())
-		})
-
-		it.After(func() {
-			Expect(os.Unsetenv("BP_POETRY_VERSION")).To(Succeed())
+			t.Setenv("BP_POETRY_VERSION", "some-version")
 		})
 
 		it("returns a plan that requires that version of poetry", func() {
diff --git a/pkg/installers/uv/detect_test.go b/pkg/installers/uv/detect_test.go
index bf0d4e6..aee8d2a 100644
--- a/pkg/installers/uv/detect_test.go
+++ b/pkg/installers/uv/detect_test.go
@@ -41,9 +41,6 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 	})
 
 	context("when the BP_UV_VERSION is NOT set", func() {
-		it.Before(func() {
-			Expect(os.Unsetenv("BP_UV_VERSION")).To(Succeed())
-		})
 		it("returns a plan that provides uv", func() {
 			result, err := detect(packit.DetectContext{
 				WorkingDir: workingDir,
@@ -61,11 +58,7 @@ func testDetect(t *testing.T, context spec.G, it spec.S) {
 
 	context("when the BP_UV_VERSION is set", func() {
 		it.Before(func() {
-			Expect(os.Setenv("BP_UV_VERSION", "some-version")).To(Succeed())
-		})
-
-		it.After(func() {
-			Expect(os.Unsetenv("BP_UV_VERSION")).To(Succeed())
+			t.Setenv("BP_UV_VERSION", "some-version")
 		})
 
 		it("returns a plan that requires that version of poetry", func() {
diff --git a/pkg/installers/uv/init_test.go b/pkg/installers/uv/init_test.go
index 2e03065..6c35d14 100644
--- a/pkg/installers/uv/init_test.go
+++ b/pkg/installers/uv/init_test.go
@@ -15,7 +15,7 @@ import (
 func TestUnit(t *testing.T) {
 	suite := spec.New("uv", spec.Report(report.Terminal{}), spec.Parallel())
 	suite("Build", testBuild)
-	suite("Detect", testDetect)
+	suite("Detect", testDetect, spec.Sequential())
 	suite("InstallProcess", testUvInstallProcess)
 	suite("Parser", testUvLockParser)
 	suite.Run(t)