diff --git a/otel-extensions/build.gradle.kts b/otel-extensions/build.gradle.kts
index 970a03e7..d4cbf973 100644
--- a/otel-extensions/build.gradle.kts
+++ b/otel-extensions/build.gradle.kts
@@ -6,6 +6,19 @@ plugins {
     id("com.google.protobuf") version "0.9.4"
 }
 
+sourceSets {
+    main {
+        proto {
+            srcDir("src/main/proto")
+            exclude("gen/go/**")
+        }
+    }
+}
+
+tasks.named<Copy>("processResources") {
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
+
 
 val protobufVersion = "3.25.5"
 
diff --git a/otel-extensions/src/test/java/org/hypertrace/agent/otel/extensions/config/HypertraceConfigTest.java b/otel-extensions/src/test/java/org/hypertrace/agent/otel/extensions/config/HypertraceConfigTest.java
index c6253245..4fac1c92 100644
--- a/otel-extensions/src/test/java/org/hypertrace/agent/otel/extensions/config/HypertraceConfigTest.java
+++ b/otel-extensions/src/test/java/org/hypertrace/agent/otel/extensions/config/HypertraceConfigTest.java
@@ -199,7 +199,7 @@ public void zipkinExporter() throws IOException {
     AgentConfig agentConfig = HypertraceConfig.load(resource.getPath());
     // VERIFY the trace reporting endpoint is the zipkin endpoint
     Assertions.assertEquals(
-        "http://example.com:9411/api/v2/spans",
+        "http://example.com:5442/api/v2/spans",
         agentConfig.getReporting().getEndpoint().getValue());
     // VERIFY the trace reporting type is ZIPKIN
     Assertions.assertEquals(
diff --git a/smoke-tests/src/test/java/org/hypertrace/agent/smoketest/OpenTelemetryCollector.java b/smoke-tests/src/test/java/org/hypertrace/agent/smoketest/OpenTelemetryCollector.java
index 64c80281..94f542ec 100644
--- a/smoke-tests/src/test/java/org/hypertrace/agent/smoketest/OpenTelemetryCollector.java
+++ b/smoke-tests/src/test/java/org/hypertrace/agent/smoketest/OpenTelemetryCollector.java
@@ -25,10 +25,10 @@
 public class OpenTelemetryCollector extends GenericContainer<OpenTelemetryCollector> {
 
   public static final int JAEGER_COLLECTOR_THRIFT_PORT = 14268;
-  public static final int JAEGER_COLLECTOR_GRPC_PORT   = 14250;
-  public static final int HTTP_REVERSE_PROXY_PORT      = 5442;
-  public static final int HTTPS_REVERSE_PROXY_PORT     = 5443;
-  public static final int HEALTH_CHECK_PORT            = 13133;
+  public static final int JAEGER_COLLECTOR_GRPC_PORT = 14250;
+  public static final int HTTP_REVERSE_PROXY_PORT = 5442;
+  public static final int HTTPS_REVERSE_PROXY_PORT = 5443;
+  public static final int HEALTH_CHECK_PORT = 13133;
 
   public OpenTelemetryCollector(String dockerImage) {
     super(DockerImageName.parse(dockerImage));
@@ -42,8 +42,7 @@ protected void init() {
         JAEGER_COLLECTOR_THRIFT_PORT,
         JAEGER_COLLECTOR_GRPC_PORT,
         HTTP_REVERSE_PROXY_PORT,
-        HTTPS_REVERSE_PROXY_PORT
-        );
+        HTTPS_REVERSE_PROXY_PORT);
   }
 
   public static class BoundPortHttpWaitStrategy extends HttpWaitStrategy {
diff --git a/smoke-tests/src/test/resources/otel.yaml b/smoke-tests/src/test/resources/otel.yaml
index af97a344..db39b242 100644
--- a/smoke-tests/src/test/resources/otel.yaml
+++ b/smoke-tests/src/test/resources/otel.yaml
@@ -9,6 +9,7 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:5442
   zipkin:
   jaeger:
     protocols: