diff --git a/acceptance/testdata/pack_fixtures/report_output.txt b/acceptance/testdata/pack_fixtures/report_output.txt
index 6161c9216f..88a36e2e2c 100644
--- a/acceptance/testdata/pack_fixtures/report_output.txt
+++ b/acceptance/testdata/pack_fixtures/report_output.txt
@@ -2,7 +2,7 @@ Pack:
   Version:  {{ .Version }}
   OS/Arch:  {{ .OS }}/{{ .Arch }}
 
-Default Lifecycle Version:  0.19.3
+Default Lifecycle Version:  0.19.6
 
 Supported Platform APIs:  0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 0.12, 0.13
 
diff --git a/go.mod b/go.mod
index c6c80f0340..12d3c8f7be 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/Microsoft/go-winio v0.6.2
 	github.com/apex/log v1.9.0
 	github.com/buildpacks/imgutil v0.0.0-20240507132533-9f7b96c3d09d
-	github.com/buildpacks/lifecycle v0.19.4
+	github.com/buildpacks/lifecycle v0.19.6
 	github.com/docker/cli v26.1.1+incompatible
 	github.com/docker/docker v26.1.1+incompatible
 	github.com/docker/go-connections v0.5.0
diff --git a/go.sum b/go.sum
index a7219f09ea..4fe11ffdee 100644
--- a/go.sum
+++ b/go.sum
@@ -93,8 +93,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/buildpacks/imgutil v0.0.0-20240507132533-9f7b96c3d09d h1:GVRuY/C8j4pjOddeeZelbKKLMMX+dYR3TlxE4L1hECU=
 github.com/buildpacks/imgutil v0.0.0-20240507132533-9f7b96c3d09d/go.mod h1:n2R6VRuWsAX3cyHCp/u0Z4WJcixny0gYg075J39owrk=
-github.com/buildpacks/lifecycle v0.19.4 h1:lATTWyMs4m4+3+n6PgvmB0lBgut2+b8eZ+iu/wXwhrI=
-github.com/buildpacks/lifecycle v0.19.4/go.mod h1:sWrBJzf/7dWrcHrWiV/P2+3jS8G8Ki5tczq8jO3XVRQ=
+github.com/buildpacks/lifecycle v0.19.6 h1:/bmfMs35aSkxyzYDF+iHl9VnYmUBBbHBmnvo8XNEINk=
+github.com/buildpacks/lifecycle v0.19.6/go.mod h1:sWrBJzf/7dWrcHrWiV/P2+3jS8G8Ki5tczq8jO3XVRQ=
 github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
 github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
 github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
diff --git a/internal/builder/lifecycle.go b/internal/builder/lifecycle.go
index c41799198e..92c860ae9d 100644
--- a/internal/builder/lifecycle.go
+++ b/internal/builder/lifecycle.go
@@ -14,7 +14,7 @@ import (
 
 // A snapshot of the latest tested lifecycle version values
 const (
-	DefaultLifecycleVersion    = "0.19.3"
+	DefaultLifecycleVersion    = "0.19.6"
 	DefaultBuildpackAPIVersion = "0.2"
 )
 
diff --git a/pkg/blob/downloader.go b/pkg/blob/downloader.go
index 9e00d97c1e..53c46e5a99 100644
--- a/pkg/blob/downloader.go
+++ b/pkg/blob/downloader.go
@@ -28,6 +28,14 @@ type Logger interface {
 	Writer() io.Writer
 }
 
+type DownloaderOption func(d *downloader)
+
+func WithClient(client *http.Client) DownloaderOption {
+	return func(d *downloader) {
+		d.client = client
+	}
+}
+
 type Downloader interface {
 	Download(ctx context.Context, pathOrURI string) (Blob, error)
 }
@@ -35,13 +43,21 @@ type Downloader interface {
 type downloader struct {
 	logger       Logger
 	baseCacheDir string
+	client       *http.Client
 }
 
-func NewDownloader(logger Logger, baseCacheDir string) Downloader {
-	return &downloader{
+func NewDownloader(logger Logger, baseCacheDir string, opts ...DownloaderOption) Downloader {
+	d := &downloader{
 		logger:       logger,
 		baseCacheDir: baseCacheDir,
+		client:       http.DefaultClient,
 	}
+
+	for _, opt := range opts {
+		opt(d)
+	}
+
+	return d
 }
 
 func (d *downloader) Download(ctx context.Context, pathOrURI string) (Blob, error) {
@@ -146,7 +162,7 @@ func (d *downloader) downloadAsStream(ctx context.Context, uri string, etag stri
 		req.Header.Set("If-None-Match", etag)
 	}
 
-	resp, err := (&http.Client{}).Do(req) //nolint:bodyclose
+	resp, err := d.client.Do(req) //nolint:bodyclose
 	if err != nil {
 		return nil, "", err
 	}