diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 96c60bc14..8e0a9bddc 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -38,7 +38,7 @@
 		<sonar.skip>true</sonar.skip>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<maven.compiler.source>1.8</maven.compiler.source>
-		<okhttp.version>4.12.0</okhttp.version>
+		<okhttp.version>4.9.0</okhttp.version>
 		<microbenchmark-runner.version>c5f1e7d047</microbenchmark-runner.version>
 		<jmh.version>1.26</jmh.version>
 	</properties>
diff --git a/pom.xml b/pom.xml
index 2701d7fb2..46a781db4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -64,7 +64,7 @@
 		<spring-security-boot-autoconfigure.version>2.3.4.RELEASE</spring-security-boot-autoconfigure.version>
 		<spring-security-oauth2.version>2.2.0.RELEASE</spring-security-oauth2.version>
 		<disable.nohttp.checks>false</disable.nohttp.checks>
-		<okhttp.version>4.12.0</okhttp.version>
+		<okhttp.version>4.9.0</okhttp.version>
 		<mockwebserver.version>4.8.1</mockwebserver.version>
 		<guava.version>33.0.0-jre</guava.version>
 		<cglib-nodep.version>3.3.0</cglib-nodep.version>
diff --git a/spring-cloud-sleuth-autoconfigure/pom.xml b/spring-cloud-sleuth-autoconfigure/pom.xml
index 43bf78995..23c0e7a99 100644
--- a/spring-cloud-sleuth-autoconfigure/pom.xml
+++ b/spring-cloud-sleuth-autoconfigure/pom.xml
@@ -499,7 +499,7 @@
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
 			<!-- Kotlin... -->
-			<version>4.8.1</version>
+			<version>4.9.0</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
index 26e272d1a..0f98f42e1 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-baggage-tests/pom.xml
@@ -92,7 +92,7 @@
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
 			<!-- Kotlin... -->
-			<version>4.8.1</version>
+			<version>4.9.0</version>
 		</dependency>
 	</dependencies>
 
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
index 438633344..7de8ce09f 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-feign-tests/pom.xml
@@ -69,7 +69,7 @@
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
 			<!-- Kotlin... -->
-			<version>4.8.1</version>
+			<version>4.9.0</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
diff --git a/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml b/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
index bda166d13..b4d8c560e 100644
--- a/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-instrumentation-mvc-tests/pom.xml
@@ -73,7 +73,7 @@
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
 			<!-- Kotlin... -->
-			<version>4.8.1</version>
+			<version>4.9.0</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
diff --git a/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml b/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
index 7119e0575..d0749552e 100644
--- a/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
+++ b/tests/brave/spring-cloud-sleuth-zipkin-tests/pom.xml
@@ -146,7 +146,7 @@
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
 			<!-- Kotlin... -->
-			<version>4.8.1</version>
+			<version>4.9.0</version>
 		</dependency>
 	</dependencies>