diff --git a/bom/build.gradle.kts b/bom/build.gradle.kts
new file mode 100644
index 000000000..01779a62e
--- /dev/null
+++ b/bom/build.gradle.kts
@@ -0,0 +1,25 @@
+plugins {
+    `java-platform`
+    id("smithy-java.publishing-conventions")
+}
+
+description = "Smithy Java BOM (Bill of Materials) for dependency version management"
+
+extra["displayName"] = "Smithy :: Java :: BOM"
+
+configurePublishing {
+    customComponent = components["javaPlatform"]
+}
+
+// Auto-discover all published subprojects (those with maven-publish plugin)
+// and add them as BOM constraints.
+gradle.projectsEvaluated {
+    dependencies {
+        constraints {
+            rootProject.subprojects
+                .filter { it != project && it.plugins.hasPlugin("maven-publish")  }
+                .sortedBy { it.path }
+                .forEach { api(it) }
+        }
+    }
+}
\ No newline at end of file
diff --git a/codegen/codegen-plugin/build.gradle.kts b/codegen/codegen-plugin/build.gradle.kts
index c5d4fa634..573bed6c3 100644
--- a/codegen/codegen-plugin/build.gradle.kts
+++ b/codegen/codegen-plugin/build.gradle.kts
@@ -24,7 +24,6 @@ dependencies {
     testImplementation(project(":aws:client:aws-client-restjson"))
     testImplementation(libs.smithy.aws.traits)
     testImplementation(libs.smithy.rules)
-    testImplementation(project(":codegen:test-utils"))
     testImplementation(libs.jspecify)
 
     // Integration test deps
diff --git a/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/types/TypesCodegenPluginTest.java b/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/types/TypesCodegenPluginTest.java
index 11b11e5a1..bfcf0bc57 100644
--- a/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/types/TypesCodegenPluginTest.java
+++ b/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/types/TypesCodegenPluginTest.java
@@ -6,12 +6,12 @@
 package software.amazon.smithy.java.codegen.types;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static software.amazon.smithy.java.codegen.test.PluginTestRunner.addTestCasesFromUrl;
+import static software.amazon.smithy.java.codegen.utils.PluginTestRunner.addTestCasesFromUrl;
 
 import java.util.Collection;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
-import software.amazon.smithy.java.codegen.test.PluginTestRunner.TestCase;
+import software.amazon.smithy.java.codegen.utils.PluginTestRunner.TestCase;
 
 public class TypesCodegenPluginTest {
 
diff --git a/codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/PluginTestRunner.java b/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/utils/PluginTestRunner.java
similarity index 99%
rename from codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/PluginTestRunner.java
rename to codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/utils/PluginTestRunner.java
index 46b9fd209..0bd9c18be 100644
--- a/codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/PluginTestRunner.java
+++ b/codegen/codegen-plugin/src/test/java/software/amazon/smithy/java/codegen/utils/PluginTestRunner.java
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package software.amazon.smithy.java.codegen.test;
+package software.amazon.smithy.java.codegen.utils;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/codegen/test-utils/README.md b/codegen/test-utils/README.md
deleted file mode 100644
index cf6b97750..000000000
--- a/codegen/test-utils/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-## codegen-test-utils
-
-> [!WARNING]
-> This is a developer-preview module and may contain bugs. No guarantee is made about API stability.
-> This module is not recommended for production use.
-
-Provides utilities for testing Smithy Java codegen plugins.
diff --git a/codegen/test-utils/build.gradle.kts b/codegen/test-utils/build.gradle.kts
deleted file mode 100644
index 700da3634..000000000
--- a/codegen/test-utils/build.gradle.kts
+++ /dev/null
@@ -1,15 +0,0 @@
-
-plugins {
-    id("smithy-java.module-conventions")
-}
-
-description = "This module provides utilities for testing codegen plugins"
-
-extra["displayName"] = "Smithy :: Java :: Codegen :: Test"
-extra["moduleName"] = "software.amazon.smithy.java.codegen.test"
-
-dependencies {
-    implementation(libs.smithy.codegen)
-    api(platform(libs.junit.bom))
-    api(libs.junit.jupiter.api)
-}
diff --git a/codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/package-info.java b/codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/package-info.java
deleted file mode 100644
index 3b000e288..000000000
--- a/codegen/test-utils/src/main/java/software/amazon/smithy/java/codegen/test/package-info.java
+++ /dev/null
@@ -1,8 +0,0 @@
-/**
- * Test utilities for codegen plugins.
- * <p>This package is under development and is not intended for use in production.
- */
-@SmithyUnstableApi
-package software.amazon.smithy.java.codegen.test;
-
-import software.amazon.smithy.utils.SmithyUnstableApi;
diff --git a/fuzz-test-harness/build.gradle.kts b/fuzz-test-harness/build.gradle.kts
index 0a7e5df90..f6beeda99 100644
--- a/fuzz-test-harness/build.gradle.kts
+++ b/fuzz-test-harness/build.gradle.kts
@@ -1,13 +1,11 @@
 plugins {
-    id("smithy-java.module-conventions")
+    id("smithy-java.java-conventions")
+    id("smithy-java.integ-test-conventions")
     id("software.amazon.smithy.gradle.smithy-base")
 }
 
 description = "This module provides a test harness and tools for fuzzing Smithy codecs using Jazzer."
 
-extra["displayName"] = "Smithy :: Java :: Fuzz Test Harness"
-extra["moduleName"] = "software.amazon.smithy.java.fuzz"
-
 dependencies {
     smithyBuild(project(":codegen:codegen-plugin"))
 
@@ -45,10 +43,6 @@ tasks.named("compileJava") {
     dependsOn("smithyBuild")
 }
 
-tasks.sourcesJar {
-    mustRunAfter("compileJava")
-}
-
 tasks.processResources {
     dependsOn("compileJava")
 }
diff --git a/protocol-test-harness/build.gradle.kts b/protocol-test-harness/build.gradle.kts
index bf35d7522..2f15acb9e 100644
--- a/protocol-test-harness/build.gradle.kts
+++ b/protocol-test-harness/build.gradle.kts
@@ -1,14 +1,12 @@
 
 
 plugins {
-    id("smithy-java.module-conventions")
+    id("smithy-java.java-conventions")
+    id("smithy-java.integ-test-conventions")
 }
 
 description = "This module provides a test harness and tools for executing protocol tests."
 
-extra["displayName"] = "Smithy :: Java :: Protocol Tests"
-extra["moduleName"] = "software.amazon.smithy.java.protocoltests"
-
 dependencies {
     implementation(project(":logging"))
     implementation(project(":codegen:codegen-plugin"))
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 47ce7b7dd..f5137d7a7 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -9,6 +9,9 @@ pluginManagement {
 
 rootProject.name = "smithy-java"
 
+// BOM (Bill of Materials)
+include(":bom")
+
 // AI
 include(":smithy-ai-traits")
 
@@ -57,7 +60,6 @@ include(":server:server-proxy")
 // Codegen
 include(":codegen:codegen-core")
 include(":codegen:codegen-plugin")
-include(":codegen:test-utils")
 
 // Utilities
 include(":jmespath")