diff --git a/zipkin-prometheus-example/pom.xml b/zipkin-prometheus-example/pom.xml
index 61023fa..9240225 100644
--- a/zipkin-prometheus-example/pom.xml
+++ b/zipkin-prometheus-example/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>io.zipkin.brave</groupId>
             <artifactId>brave-grpc</artifactId>
-            <version>3.14.0</version>
+            <version>4.13.6</version>
             <exclusions>
                 <exclusion>
                     <groupId>io.grpc</groupId>