diff --git a/buildpacks/nodejs-engine/tests/integration_test.rs b/buildpacks/nodejs-engine/tests/integration_test.rs
index 6d34dcfa..d9dbd88f 100644
--- a/buildpacks/nodejs-engine/tests/integration_test.rs
+++ b/buildpacks/nodejs-engine/tests/integration_test.rs
@@ -36,7 +36,7 @@ fn test_response(container: &ContainerContext, text: &str) {
 fn simple_indexjs_heroku20() {
     test_node(
         "node-with-indexjs",
-        "heroku/buildpacks:20",
+        "heroku/builder:20",
         &["Detected Node.js version range: *", "Installing Node.js"],
     );
 }
@@ -56,7 +56,7 @@ fn simple_indexjs_heroku22() {
 fn simple_serverjs_heroku20() {
     test_node(
         "node-with-serverjs",
-        "heroku/buildpacks:20",
+        "heroku/builder:20",
         &["Installing Node.js 16.0.0"],
     );
 }
@@ -75,10 +75,7 @@ fn simple_serverjs_heroku22() {
 #[ignore]
 fn upgrade_simple_indexjs_from_heroku20_to_heroku22() {
     TestRunner::default().build(
-        BuildConfig::new(
-            "heroku/buildpacks:20",
-            "../../test/fixtures/node-with-indexjs",
-        ),
+        BuildConfig::new("heroku/builder:20", "../../test/fixtures/node-with-indexjs"),
         |initial_ctx| {
             assert_contains!(initial_ctx.pack_stdout, "Installing Node.js");
             initial_ctx.rebuild(
diff --git a/test/specs/node-function/spec_helper.rb b/test/specs/node-function/spec_helper.rb
index 251ae1b5..527cad77 100644
--- a/test/specs/node-function/spec_helper.rb
+++ b/test/specs/node-function/spec_helper.rb
@@ -12,7 +12,7 @@ def test_dir
 NODEJS_FUNCTION_BUILDPACK = Cutlass::LocalBuildpack.new(directory: test_dir.join("../meta-buildpacks/nodejs-function"))
 Cutlass.config do |config|
   config.default_buildpack_paths = [NODEJS_FUNCTION_BUILDPACK]
-  config.default_builder = "heroku/buildpacks:20"
+  config.default_builder = "heroku/builder:20"
   config.default_repo_dirs = [test_dir.join("fixtures")]
 end
 
diff --git a/test/specs/node/cutlass/basic_spec.rb b/test/specs/node/cutlass/basic_spec.rb
index 771a8a2a..959cb582 100644
--- a/test/specs/node/cutlass/basic_spec.rb
+++ b/test/specs/node/cutlass/basic_spec.rb
@@ -4,7 +4,7 @@
 
 
 describe "Heroku's Nodejs CNB" do
-  ["heroku/buildpacks:20", "heroku/builder:22"].each do |builder|
+  ["heroku/builder:20", "heroku/builder:22"].each do |builder|
     describe "with #{builder}" do
       it "handles a downgrade of node engine" do
         Cutlass::App.new("simple-function", builder: builder).transaction do |app|
diff --git a/test/specs/node/spec_helper.rb b/test/specs/node/spec_helper.rb
index 5b0dc2f0..929dbf07 100644
--- a/test/specs/node/spec_helper.rb
+++ b/test/specs/node/spec_helper.rb
@@ -13,7 +13,7 @@ def test_dir
 
 Cutlass.config do |config|
   config.default_buildpack_paths = [NODEJS_BUILDPACK]
-  config.default_builder = "heroku/buildpacks:20"
+  config.default_builder = "heroku/builder:22"
   config.default_repo_dirs = [test_dir.join("fixtures")]
 end
 
diff --git a/test_support/src/lib.rs b/test_support/src/lib.rs
index bc6ff9b4..090e9f79 100644
--- a/test_support/src/lib.rs
+++ b/test_support/src/lib.rs
@@ -16,7 +16,7 @@ pub enum Builder {
 impl fmt::Display for Builder {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         match *self {
-            Builder::Heroku20 => write!(f, "heroku/buildpacks:20"),
+            Builder::Heroku20 => write!(f, "heroku/builder:20"),
             Builder::Heroku22 => write!(f, "heroku/builder:22"),
         }
     }