diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 06221e6b58..b6185be55d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -35,6 +35,7 @@ updates:
       - dependency-name: "redis.clients:*"
       - dependency-name: "org.elasticsearch.client:*"
       - dependency-name: "co.elastic.clients:*"
+      - dependency-name: "io.vertx:*"
     ignore:
       - dependency-name: "net.bytebuddy:byte-buddy-agent"
         # We deliberately want to keep this older version of Byte Buddy for our runtime attach test
diff --git a/apm-agent-plugins/apm-vertx/apm-vertx-common/src/test/java/co/elastic/apm/agent/vertx/helper/OkHttpTestClient.java b/apm-agent-plugins/apm-vertx/apm-vertx-common/src/test/java/co/elastic/apm/agent/vertx/helper/OkHttpTestClient.java
index 36a64b409a..cd24bbf2b0 100644
--- a/apm-agent-plugins/apm-vertx/apm-vertx-common/src/test/java/co/elastic/apm/agent/vertx/helper/OkHttpTestClient.java
+++ b/apm-agent-plugins/apm-vertx/apm-vertx-common/src/test/java/co/elastic/apm/agent/vertx/helper/OkHttpTestClient.java
@@ -60,8 +60,8 @@ private OkHttpClient initOkHttpClient() throws Exception {
                 .hostnameVerifier(SslUtils.getTrustAllHostnameVerifier());
         }
 
-        builder.readTimeout(0, TimeUnit.SECONDS)
-            .connectTimeout(0, TimeUnit.SECONDS)
+        builder.readTimeout(5, TimeUnit.SECONDS)
+            .connectTimeout(5, TimeUnit.SECONDS)
             .retryOnConnectionFailure(false)
             .build();
 
diff --git a/apm-agent-plugins/apm-vertx/apm-vertx4-plugin/pom.xml b/apm-agent-plugins/apm-vertx/apm-vertx4-plugin/pom.xml
index e895478606..e2016b7bbb 100644
--- a/apm-agent-plugins/apm-vertx/apm-vertx4-plugin/pom.xml
+++ b/apm-agent-plugins/apm-vertx/apm-vertx4-plugin/pom.xml
@@ -13,7 +13,7 @@
 
     <properties>
         <apm-agent-parent.base.dir>${project.basedir}/../../..</apm-agent-parent.base.dir>
-        <version.vertx>[4.0.0,)</version.vertx>
+        <version.vertx>4.3.1</version.vertx>
     </properties>
 
     <dependencies>