diff --git a/apm-agent-plugins/apm-opentelemetry/apm-opentelemetry-embedded-metrics-sdk/src/test/java/co/elastic/apm/agent/embeddedotel/EmbeddedSdkManagerTest.java b/apm-agent-plugins/apm-opentelemetry/apm-opentelemetry-embedded-metrics-sdk/src/test/java/co/elastic/apm/agent/embeddedotel/EmbeddedSdkManagerTest.java
index 0dca26b609..13e828559d 100644
--- a/apm-agent-plugins/apm-opentelemetry/apm-opentelemetry-embedded-metrics-sdk/src/test/java/co/elastic/apm/agent/embeddedotel/EmbeddedSdkManagerTest.java
+++ b/apm-agent-plugins/apm-opentelemetry/apm-opentelemetry-embedded-metrics-sdk/src/test/java/co/elastic/apm/agent/embeddedotel/EmbeddedSdkManagerTest.java
@@ -1,3 +1,21 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 package co.elastic.apm.agent.embeddedotel;
 
 import co.elastic.apm.agent.embeddedotel.proxy.ProxyMeter;
diff --git a/apm-agent-plugins/apm-spring-resttemplate/apm-spring-restclient-test/pom.xml b/apm-agent-plugins/apm-spring-resttemplate/apm-spring-restclient-test/pom.xml
index 11190aca4c..c9437a3bbb 100644
--- a/apm-agent-plugins/apm-spring-resttemplate/apm-spring-restclient-test/pom.xml
+++ b/apm-agent-plugins/apm-spring-resttemplate/apm-spring-restclient-test/pom.xml
@@ -20,7 +20,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.4.0</version>
+                <version>3.4.1</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/apm-agent-plugins/apm-spring-resttemplate/apm-spring-resttemplate-plugin/pom.xml b/apm-agent-plugins/apm-spring-resttemplate/apm-spring-resttemplate-plugin/pom.xml
index 415ee0ce9f..d643275ddd 100644
--- a/apm-agent-plugins/apm-spring-resttemplate/apm-spring-resttemplate-plugin/pom.xml
+++ b/apm-agent-plugins/apm-spring-resttemplate/apm-spring-resttemplate-plugin/pom.xml
@@ -23,7 +23,7 @@
                 <!-- Import dependency management from Spring Boot -->
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.4.0</version> <!-- update IT in case of major upgrade -->
+                <version>3.4.1</version> <!-- update IT in case of major upgrade -->
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/apm-agent-plugins/apm-spring-webflux/apm-spring-webflux-spring5/src/test/java/co/elastic/apm/agent/springwebflux/AbstractServerInstrumentationTest.java b/apm-agent-plugins/apm-spring-webflux/apm-spring-webflux-spring5/src/test/java/co/elastic/apm/agent/springwebflux/AbstractServerInstrumentationTest.java
index 714171fc89..79b57f45c3 100644
--- a/apm-agent-plugins/apm-spring-webflux/apm-spring-webflux-spring5/src/test/java/co/elastic/apm/agent/springwebflux/AbstractServerInstrumentationTest.java
+++ b/apm-agent-plugins/apm-spring-webflux/apm-spring-webflux-spring5/src/test/java/co/elastic/apm/agent/springwebflux/AbstractServerInstrumentationTest.java
@@ -133,7 +133,7 @@ private void hello(boolean expectHeaders) {
 
             assertThat(headersCount)
                 .describedAs("unexpected headers count")
-                .isEqualTo(6);
+                .isGreaterThanOrEqualTo(6);
 
             assertThat(headers.getFirst("random-value"))
                 .describedAs("non-standard request headers should be captured")
diff --git a/apm-agent-plugins/apm-spring-webflux/pom.xml b/apm-agent-plugins/apm-spring-webflux/pom.xml
index fb79d1aeb1..3a04364b7c 100644
--- a/apm-agent-plugins/apm-spring-webflux/pom.xml
+++ b/apm-agent-plugins/apm-spring-webflux/pom.xml
@@ -18,7 +18,7 @@
 
         <!-- spring boot version to use for dependency management & testing -->
         <version.spring-boot-2>2.7.16</version.spring-boot-2>
-        <version.spring-boot-3>3.4.0</version.spring-boot-3>
+        <version.spring-boot-3>3.4.1</version.spring-boot-3>
     </properties>
 
     <modules>
diff --git a/apm-agent-plugins/apm-spring-webmvc/apm-spring-webmvc-plugin/pom.xml b/apm-agent-plugins/apm-spring-webmvc/apm-spring-webmvc-plugin/pom.xml
index 957d7c499f..3d30e90b58 100644
--- a/apm-agent-plugins/apm-spring-webmvc/apm-spring-webmvc-plugin/pom.xml
+++ b/apm-agent-plugins/apm-spring-webmvc/apm-spring-webmvc-plugin/pom.xml
@@ -22,7 +22,7 @@
                 <!-- Import dependency management from Spring Boot -->
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.4.0</version> <!-- must be 3.X to correspond to spring 6 -->
+                <version>3.4.1</version> <!-- must be 3.X to correspond to spring 6 -->
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/apm-agent-plugins/apm-spring-webmvc/pom.xml b/apm-agent-plugins/apm-spring-webmvc/pom.xml
index cd6bb354ea..fbd24e6e95 100644
--- a/apm-agent-plugins/apm-spring-webmvc/pom.xml
+++ b/apm-agent-plugins/apm-spring-webmvc/pom.xml
@@ -29,7 +29,7 @@
                 <!-- Import dependency management from Spring Boot -->
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.4.0</version> <!-- must be 3.X to correspond to spring 6 -->
+                <version>3.4.1</version> <!-- must be 3.X to correspond to spring 6 -->
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/integration-tests/spring-boot-3/pom.xml b/integration-tests/spring-boot-3/pom.xml
index 17417d1332..c39fd08fd1 100644
--- a/integration-tests/spring-boot-3/pom.xml
+++ b/integration-tests/spring-boot-3/pom.xml
@@ -30,7 +30,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.4.0</version>
+                <version>3.4.1</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>