diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 07942747eec5..664fdcd6eb5a 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -37,7 +37,7 @@ val DEPENDENCY_BOMS = listOf(
 
 val autoServiceVersion = "1.1.1"
 val autoValueVersion = "1.11.0"
-val errorProneVersion = "2.41.0"
+val errorProneVersion = "2.42.0"
 val byteBuddyVersion = "1.17.7"
 val asmVersion = "9.8"
 val jmhVersion = "1.37"
diff --git a/instrumentation/ratpack/ratpack-1.7/library/src/test/java/io/opentelemetry/instrumentation/ratpack/v1_7/server/OpenTelemetryModule.java b/instrumentation/ratpack/ratpack-1.7/library/src/test/java/io/opentelemetry/instrumentation/ratpack/v1_7/server/OpenTelemetryModule.java
index a9f152da9c34..2a87c8f6883f 100644
--- a/instrumentation/ratpack/ratpack-1.7/library/src/test/java/io/opentelemetry/instrumentation/ratpack/v1_7/server/OpenTelemetryModule.java
+++ b/instrumentation/ratpack/ratpack-1.7/library/src/test/java/io/opentelemetry/instrumentation/ratpack/v1_7/server/OpenTelemetryModule.java
@@ -31,37 +31,37 @@ protected void configure() {
 
   @Singleton
   @Provides
-  RatpackClientTelemetry ratpackClientTelemetry(OpenTelemetry openTelemetry) {
+  static RatpackClientTelemetry ratpackClientTelemetry(OpenTelemetry openTelemetry) {
     return RatpackClientTelemetry.create(openTelemetry);
   }
 
   @Singleton
   @Provides
-  RatpackServerTelemetry ratpackServerTelemetry(OpenTelemetry openTelemetry) {
+  static RatpackServerTelemetry ratpackServerTelemetry(OpenTelemetry openTelemetry) {
     return RatpackServerTelemetry.create(openTelemetry);
   }
 
   @Singleton
   @Provides
-  Handler ratpackServerHandler(RatpackServerTelemetry ratpackTracing) {
+  static Handler ratpackServerHandler(RatpackServerTelemetry ratpackTracing) {
     return ratpackTracing.getHandler();
   }
 
   @Singleton
   @Provides
-  ExecInterceptor ratpackExecInterceptor(RatpackServerTelemetry ratpackTracing) {
+  static ExecInterceptor ratpackExecInterceptor(RatpackServerTelemetry ratpackTracing) {
     return ratpackTracing.getExecInterceptor();
   }
 
   @Singleton
   @Provides
-  HttpClient instrumentedHttpClient(RatpackClientTelemetry ratpackTracing) throws Exception {
+  static HttpClient instrumentedHttpClient(RatpackClientTelemetry ratpackTracing) throws Exception {
     return ratpackTracing.instrument(HttpClient.of(spec -> {}));
   }
 
   @Singleton
   @Provides
-  ExecInitializer ratpackExecInitializer(RatpackServerTelemetry ratpackTracing) {
+  static ExecInitializer ratpackExecInitializer(RatpackServerTelemetry ratpackTracing) {
     return ratpackTracing.getExecInitializer();
   }
 }
diff --git a/instrumentation/restlet/restlet-2.0/testing/src/main/java/io/opentelemetry/instrumentation/restlet/v2_0/spring/AbstractSpringServerTest.java b/instrumentation/restlet/restlet-2.0/testing/src/main/java/io/opentelemetry/instrumentation/restlet/v2_0/spring/AbstractSpringServerTest.java
index 177071c0466f..d9bd54513d2e 100644
--- a/instrumentation/restlet/restlet-2.0/testing/src/main/java/io/opentelemetry/instrumentation/restlet/v2_0/spring/AbstractSpringServerTest.java
+++ b/instrumentation/restlet/restlet-2.0/testing/src/main/java/io/opentelemetry/instrumentation/restlet/v2_0/spring/AbstractSpringServerTest.java
@@ -23,7 +23,7 @@ public abstract class AbstractSpringServerTest extends AbstractRestletServerTest
   protected void setupServer(Component component) {
     ApplicationContext context = new ClassPathXmlApplicationContext(getConfigurationName());
     router = (Router) context.getBean("testRouter");
-    Server server = (Server) context.getBean("testServer", new Object[] {"http", port});
+    Server server = (Server) context.getBean("testServer", "http", port);
     component.getServers().add(server);
   }
 
diff --git a/testing-common/src/main/java/io/opentelemetry/instrumentation/testing/junit/http/AbstractHttpServerTest.java b/testing-common/src/main/java/io/opentelemetry/instrumentation/testing/junit/http/AbstractHttpServerTest.java
index acf67191380d..6b91e4f09c96 100644
--- a/testing-common/src/main/java/io/opentelemetry/instrumentation/testing/junit/http/AbstractHttpServerTest.java
+++ b/testing-common/src/main/java/io/opentelemetry/instrumentation/testing/junit/http/AbstractHttpServerTest.java
@@ -5,6 +5,7 @@
 
 package io.opentelemetry.instrumentation.testing.junit.http;
 
+import static io.opentelemetry.api.common.AttributeKey.stringArrayKey;
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.CAPTURE_HEADERS;
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.CAPTURE_PARAMETERS;
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.ERROR;
@@ -16,6 +17,7 @@
 import static io.opentelemetry.instrumentation.testing.junit.http.ServerEndpoint.SUCCESS;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.equalTo;
+import static java.util.Collections.singletonList;
 import static org.junit.jupiter.api.Assumptions.assumeFalse;
 import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
@@ -899,14 +901,17 @@ protected SpanDataAssert assertServerSpan(
 
           if (endpoint == CAPTURE_HEADERS) {
             assertThat(attrs)
-                .containsEntry("http.request.header.x-test-request", new String[] {"test"});
+                .containsEntry(
+                    stringArrayKey("http.request.header.x-test-request"), singletonList("test"));
             assertThat(attrs)
-                .containsEntry("http.response.header.x-test-response", new String[] {"test"});
+                .containsEntry(
+                    stringArrayKey("http.response.header.x-test-response"), singletonList("test"));
           }
           if (endpoint == CAPTURE_PARAMETERS) {
             assertThat(attrs)
                 .containsEntry(
-                    "servlet.request.parameter.test-parameter", new String[] {"test value õäöü"});
+                    stringArrayKey("servlet.request.parameter.test-parameter"),
+                    singletonList("test value õäöü"));
           }
         });