diff --git a/armeria-kafka/pom.xml b/armeria-kafka/pom.xml
index c7ef375..6ae9898 100644
--- a/armeria-kafka/pom.xml
+++ b/armeria-kafka/pom.xml
@@ -20,8 +20,8 @@
     <jre.version>21</jre.version>
     <maven.compiler.release>8</maven.compiler.release>
 
-    <armeria.version>1.6.0</armeria.version>
-    <kafka.version>3.4.0</kafka.version>
+    <armeria.version>1.26.4</armeria.version>
+    <kafka.version>3.6.1</kafka.version>
   </properties>
 
   <dependencies>
diff --git a/armeria-kafka/src/main/java/brave/example/Backend.java b/armeria-kafka/src/main/java/brave/example/Backend.java
index 09a0f5c..476ff2c 100644
--- a/armeria-kafka/src/main/java/brave/example/Backend.java
+++ b/armeria-kafka/src/main/java/brave/example/Backend.java
@@ -20,7 +20,6 @@
 import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.StreamsConfig;
 import org.apache.kafka.streams.kstream.Consumed;
-import org.apache.kafka.streams.kstream.Produced;
 
 public final class Backend {
 
@@ -36,8 +35,8 @@ public static void main(String[] args) {
 
     StreamsBuilder builder = new StreamsBuilder();
     builder.stream("input", Consumed.with(Serdes.String(), Serdes.String()))
-        .transformValues(tracing.kafkaStreamsTracing.mapValues("mapping", s -> s + ". Thanks!"))
-        .to("output", Produced.with(Serdes.String(), Serdes.String()));
+        .processValues(tracing.kafkaStreamsTracing.processValues("mapping",
+            () -> r -> r.withValue(r.value() + ". Thanks!")));
 
     KafkaStreams kafkaStreams =
         tracing.kafkaStreamsTracing.kafkaStreams(builder.build(), streamsConfig);
diff --git a/armeria/pom.xml b/armeria/pom.xml
index 255fb03..86d531d 100644
--- a/armeria/pom.xml
+++ b/armeria/pom.xml
@@ -20,7 +20,7 @@
     <jre.version>21</jre.version>
     <maven.compiler.release>8</maven.compiler.release>
 
-    <armeria.version>1.6.0</armeria.version>
+    <armeria.version>1.26.4</armeria.version>
   </properties>
 
   <dependencies>
diff --git a/jersey2-cassandra3/pom.xml b/jersey2-cassandra3/pom.xml
index 9475ae0..02c0775 100644
--- a/jersey2-cassandra3/pom.xml
+++ b/jersey2-cassandra3/pom.xml
@@ -124,5 +124,9 @@
       <groupId>io.zipkin.brave</groupId>
       <artifactId>brave-spring-beans</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.zipkin.reporter2</groupId>
+      <artifactId>zipkin-reporter-spring-beans</artifactId>
+    </dependency>
   </dependencies>
 </project>
diff --git a/parent-pom.xml b/parent-pom.xml
index 07b63b5..b4ebb04 100644
--- a/parent-pom.xml
+++ b/parent-pom.xml
@@ -33,9 +33,8 @@
     <project.build.outputEncoding>UTF-8</project.build.outputEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-    <brave.version>5.18.0</brave.version>
-    <old-zipkin-reporter.version>2.17.2</old-zipkin-reporter.version>
-    <zipkin-reporter.version>3.0.0</zipkin-reporter.version>
+    <brave.version>5.18.1</brave.version>
+    <zipkin-reporter.version>3.0.2</zipkin-reporter.version>
 
     <!-- The JRE used in Docker images can be higher than ${maven.compiler.release}. -->
     <jre.version>SET MANUALLY IN PROJECTS</jre.version>
@@ -44,7 +43,7 @@
 
     <exec-maven-plugin.version>3.1.1</exec-maven-plugin.version>
     <go-offline-maven-plugin.version>1.2.8</go-offline-maven-plugin.version>
-    <maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
+    <maven-compiler-plugin.version>3.12.1</maven-compiler-plugin.version>
     <!-- Use same version as https://github.com/openzipkin/docker-java -->
     <maven-dependency-plugin.version>3.6.1</maven-dependency-plugin.version>
     <maven-help-plugin.version>3.4.0</maven-help-plugin.version>
diff --git a/webflux5-sleuth/README.md b/webflux5-sleuth/README.md
index f1e1335..01c548d 100644
--- a/webflux5-sleuth/README.md
+++ b/webflux5-sleuth/README.md
@@ -1,13 +1,13 @@
 ## Tracing Example: Spring WebFlux 5/Spring Boot 2.3/Spring Cloud Sleuth 2.2
 
-Instead of servlet, this uses Spring Boot 2.3 to create a self-contained
+Instead of servlet, this uses Spring Boot 2.6 to create a self-contained
 application that runs Spring WebFlux 5 controllers.
 
 * brave.example.Frontend and Backend: Rest controllers
 * brave.example.AppAutoConfiguration: Sets up the WebClient used in the Frontend.
 
 Application code doesn't show any tracing configuration because that's handled
-by [Spring Cloud Sleuth v2](https://github.com/spring-cloud/spring-cloud-sleuth/tree/2.2.x), configured by properties.
+by [Spring Cloud Sleuth v3](https://github.com/spring-cloud/spring-cloud-sleuth/tree/3.1.x), configured by properties.
 
 Version 2 of Sleuth was based on Brave. It provided auto-configuration of
 Brave libraries used in other projects, such as span reporting, logging context,
diff --git a/webflux5-sleuth/pom.xml b/webflux5-sleuth/pom.xml
index a2888bb..7bf88de 100644
--- a/webflux5-sleuth/pom.xml
+++ b/webflux5-sleuth/pom.xml
@@ -13,15 +13,20 @@
   <packaging>jar</packaging>
 
   <name>brave-example-webflux5-sleuth</name>
-  <description>Tracing Example: Spring 5.2, Reactor Netty 0.9, Spring Boot 2.3, Spring Cloud Sleuth 2.2, Log4J 2.13, JRE 21</description>
+  <description>Tracing Example: Spring 5.2, Reactor Netty 1.0, Spring Boot 2.6, Spring Cloud Sleuth 3.1, Log4J 2.17, JRE 21</description>
 
   <properties>
     <jre.version>21</jre.version>
     <maven.compiler.release>8</maven.compiler.release>
 
-    <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
-    <sleuth.version>2.2.6.RELEASE</sleuth.version>
-    <zipkin-reporter.version>${old-zipkin-reporter.version}</zipkin-reporter.version>
+    <spring-boot.version>2.6.15</spring-boot.version>
+    <sleuth.version>3.1.10</sleuth.version>
+    <!-- Sleuth does not yet implement PropagationFactory.get()
+         https://github.com/spring-cloud/spring-cloud-sleuth/pull/2335 -->
+    <brave.version>5.17.1</brave.version>
+    <!-- Sleuth defines and exports zipkin reporter 2 types, so is rev-locked.
+         https://github.com/spring-cloud/spring-cloud-sleuth/pull/2335 -->
+    <zipkin-reporter.version>2.17.2</zipkin-reporter.version>
   </properties>
 
   <dependencyManagement>
@@ -46,17 +51,23 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-actuator</artifactId>
+      <version>${spring-boot.version}</version>
     </dependency>
 
     <!-- spring-cloud-starter-zipkin configures instrumentation including what's in Brave and their own. -->
     <dependency>
       <groupId>org.springframework.cloud</groupId>
-      <artifactId>spring-cloud-starter-zipkin</artifactId>
+      <artifactId>spring-cloud-starter-sleuth</artifactId>
+      <version>${sleuth.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.springframework.cloud</groupId>
+      <artifactId>spring-cloud-sleuth-zipkin</artifactId>
       <version>${sleuth.version}</version>
     </dependency>
 
     <!-- Needed for ZipkinRestTemplateSenderConfiguration: BytesMessageEncoder
-         See https://github.com/spring-cloud/spring-cloud-sleuth/pull/2335/files -->
+         See https://github.com/spring-cloud/spring-cloud-sleuth/pull/2335 -->
     <dependency>
       <groupId>io.zipkin.reporter2</groupId>
       <artifactId>zipkin-reporter</artifactId>
diff --git a/webmvc25-jetty/pom.xml b/webmvc25-jetty/pom.xml
index 7a8696b..18a605d 100755
--- a/webmvc25-jetty/pom.xml
+++ b/webmvc25-jetty/pom.xml
@@ -73,6 +73,10 @@
       <groupId>io.zipkin.brave</groupId>
       <artifactId>brave</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.zipkin.reporter2</groupId>
+      <artifactId>zipkin-reporter-spring-beans</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.zipkin.reporter2</groupId>
       <artifactId>zipkin-reporter-brave</artifactId>
diff --git a/webmvc3-jetty/pom.xml b/webmvc3-jetty/pom.xml
index e35c328..c5bd30f 100755
--- a/webmvc3-jetty/pom.xml
+++ b/webmvc3-jetty/pom.xml
@@ -78,6 +78,10 @@
       <groupId>io.zipkin.brave</groupId>
       <artifactId>brave</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.zipkin.reporter2</groupId>
+      <artifactId>zipkin-reporter-spring-beans</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.zipkin.reporter2</groupId>
       <artifactId>zipkin-reporter-brave</artifactId>
diff --git a/webmvc4-jetty/pom.xml b/webmvc4-jetty/pom.xml
index 8dd34f7..9944336 100755
--- a/webmvc4-jetty/pom.xml
+++ b/webmvc4-jetty/pom.xml
@@ -92,6 +92,10 @@
       <groupId>io.zipkin.brave</groupId>
       <artifactId>brave</artifactId>
     </dependency>
+    <dependency>
+      <groupId>io.zipkin.reporter2</groupId>
+      <artifactId>zipkin-reporter-spring-beans</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.zipkin.reporter2</groupId>
       <artifactId>zipkin-reporter-brave</artifactId>