diff --git a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/AbstractBuildLog.java b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/AbstractBuildLog.java
index 2d3c49898eb4..9cf1de13e3db 100644
--- a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/AbstractBuildLog.java
+++ b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/AbstractBuildLog.java
@@ -128,6 +128,13 @@ public void sensitiveTargetBindingDetected(Binding binding) {
 		log();
 	}
 
+	@Override
+	public void stackIdsDoNotMatch(String runImageStackId, String builderImageStackId) {
+		log("Warning: Run image stack '%s' does not match builder stack '%s'. Stack IDs are deprecated, but the images may not be compatible."
+			.formatted(runImageStackId, builderImageStackId));
+		log();
+	}
+
 	private String getDigest(Image image) {
 		List<String> digests = image.getDigests();
 		return (digests.isEmpty() ? "" : digests.get(0));
diff --git a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildLog.java b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildLog.java
index ad7fbd61d5a8..01597ea4f2c3 100644
--- a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildLog.java
+++ b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildLog.java
@@ -135,6 +135,16 @@ Consumer<TotalProgressEvent> pullingImage(ImageReference imageReference, @Nullab
 	 */
 	void sensitiveTargetBindingDetected(Binding binding);
 
+	/**
+	 * Log that the stack ID of the run image does not match the stack ID of the builder
+	 * image.
+	 * @param runImageStackId the stack ID of the run image
+	 * @param builderImageStackId the stack ID of the builder image
+	 * @since 4.0.8
+	 */
+	default void stackIdsDoNotMatch(String runImageStackId, String builderImageStackId) {
+	}
+
 	/**
 	 * Factory method that returns a {@link BuildLog} the outputs to {@link System#out}.
 	 * @return a build log instance that logs to system out
diff --git a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/Builder.java b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/Builder.java
index 0657b314db05..3532cfc24725 100644
--- a/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/Builder.java
+++ b/buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/Builder.java
@@ -120,7 +120,7 @@ public void build(BuildRequest request) throws DockerEngineException, IOExceptio
 			request = request.withRunImage(request.getRunImage().withDigest(runImage.getPrimaryDigest()));
 			runImage = imageFetcher.fetchImage(ImageType.RUNNER, request.getRunImage(), platform);
 		}
-		assertStackIdsMatch(runImage, builderImage);
+		warnIfStackIdsDoNotMatch(runImage, builderImage);
 		BuildOwner buildOwner = BuildOwner.fromEnv(builderImage.getConfig().getEnv());
 		BuildpackLayersMetadata buildpackLayersMetadata = BuildpackLayersMetadata.fromImage(builderImage);
 		Buildpacks buildpacks = getBuildpacks(request, imageFetcher, platform, builderMetadata,
@@ -159,12 +159,11 @@ private ImageReference getRunImageReference(BuilderMetadata metadata) {
 		return ImageReference.of(runImageName).inTaggedOrDigestForm();
 	}
 
-	private void assertStackIdsMatch(Image runImage, Image builderImage) {
+	private void warnIfStackIdsDoNotMatch(Image runImage, Image builderImage) {
 		StackId runImageStackId = StackId.fromImage(runImage);
 		StackId builderImageStackId = StackId.fromImage(builderImage);
-		if (runImageStackId.hasId() && builderImageStackId.hasId()) {
-			Assert.state(runImageStackId.equals(builderImageStackId), () -> "Run image stack '" + runImageStackId
-					+ "' does not match builder stack '" + builderImageStackId + "'");
+		if (runImageStackId.hasId() && builderImageStackId.hasId() && !runImageStackId.equals(builderImageStackId)) {
+			this.log.stackIdsDoNotMatch(runImageStackId.toString(), builderImageStackId.toString());
 		}
 	}
 
diff --git a/buildpack/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuilderTests.java b/buildpack/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuilderTests.java
index 56ea417fd9e9..3c38c55cf62c 100644
--- a/buildpack/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuilderTests.java
+++ b/buildpack/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/BuilderTests.java
@@ -447,7 +447,7 @@ void buildInvokesBuilderWithPlatform() throws Exception {
 	}
 
 	@Test
-	void buildWhenStackIdDoesNotMatchThrowsException() throws Exception {
+	void buildWhenStackIdDoesNotMatchLogsWarning() throws Exception {
 		TestPrintStream out = new TestPrintStream();
 		DockerApi docker = mockDockerApi();
 		Image builderImage = loadImage("image.json");
@@ -458,9 +458,11 @@ void buildWhenStackIdDoesNotMatchThrowsException() throws Exception {
 			.willAnswer(withPulledImage(runImage));
 		Builder builder = new Builder(BuildLog.to(out), docker, null);
 		BuildRequest request = getTestRequest();
-		assertThatIllegalStateException().isThrownBy(() -> builder.build(request))
-			.withMessage(
-					"Run image stack 'org.cloudfoundry.stacks.cfwindowsfs3' does not match builder stack 'io.buildpacks.stacks.bionic'");
+		builder.build(request);
+		assertThat(out.toString()).contains(
+				"Warning: Run image stack 'org.cloudfoundry.stacks.cfwindowsfs3' does not match builder stack 'io.buildpacks.stacks.bionic'");
+		assertThat(out.toString()).contains("Running creator");
+		assertThat(out.toString()).contains("Successfully built image 'docker.io/library/my-application:latest'");
 	}
 
 	@Test