diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 526891c7abb2..c5f64342689f 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -69,9 +69,9 @@
             <sha256 value="10fe288fd7a2cdaf5175332b73529f9abf8fd54dcfff317d6967c0c35ffb133b" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="co.elastic.apm" name="elastic-apm-agent" version="1.52.0">
-         <artifact name="elastic-apm-agent-1.52.0.jar">
-            <sha256 value="ef6c8f75bd6181e717cdd172864441580708c7ee8543175621a3f404f4ba6429" origin="Generated by Gradle"/>
+      <component group="co.elastic.apm" name="elastic-apm-agent" version="1.52.2">
+         <artifact name="elastic-apm-agent-1.52.2.jar">
+            <sha256 value="dee18355a06f66a425bd597d6447ccbe7e8b7a3c0667adb7b30da173e31044e0" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="co.elastic.logging" name="ecs-logging-core" version="1.2.0">
diff --git a/modules/apm/build.gradle b/modules/apm/build.gradle
index de50d88a46d7..86d06258bcbc 100644
--- a/modules/apm/build.gradle
+++ b/modules/apm/build.gradle
@@ -20,7 +20,7 @@ dependencies {
   implementation "io.opentelemetry:opentelemetry-api:${otelVersion}"
   implementation "io.opentelemetry:opentelemetry-context:${otelVersion}"
   implementation "io.opentelemetry:opentelemetry-semconv:${otelSemconvVersion}"
-  runtimeOnly    "co.elastic.apm:elastic-apm-agent:1.52.0"
+  runtimeOnly    "co.elastic.apm:elastic-apm-agent:1.52.2"
 
   javaRestTestImplementation project(':modules:apm')
   javaRestTestImplementation project(':test:framework')
diff --git a/muted-tests.yml b/muted-tests.yml
index 0670623e65b2..4805f578613a 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -296,9 +296,6 @@ tests:
 - class: org.elasticsearch.test.apmintegration.TracesApmIT
   method: testApmIntegration
   issue: https://github.com/elastic/elasticsearch/issues/122129
-- class: org.elasticsearch.test.apmintegration.MetricsApmIT
-  method: testApmIntegration
-  issue: https://github.com/elastic/elasticsearch/issues/123022
 - class: org.elasticsearch.repositories.gcs.GoogleCloudStorageServiceTests
   method: testClientsAreNotSharedAcrossRepositories
   issue: https://github.com/elastic/elasticsearch/issues/123090
diff --git a/test/external-modules/apm-integration/src/javaRestTest/java/org/elasticsearch/test/apmintegration/MetricsApmIT.java b/test/external-modules/apm-integration/src/javaRestTest/java/org/elasticsearch/test/apmintegration/MetricsApmIT.java
index e974c31bf5c0..07141846dde4 100644
--- a/test/external-modules/apm-integration/src/javaRestTest/java/org/elasticsearch/test/apmintegration/MetricsApmIT.java
+++ b/test/external-modules/apm-integration/src/javaRestTest/java/org/elasticsearch/test/apmintegration/MetricsApmIT.java
@@ -127,7 +127,7 @@ public class MetricsApmIT extends ESRestTestCase {
 
         var completed = finished.await(30, TimeUnit.SECONDS);
         var remainingAssertions = Stream.concat(valueAssertions.keySet().stream(), histogramAssertions.keySet().stream())
-            .collect(Collectors.joining());
+            .collect(Collectors.joining(","));
         assertTrue("Timeout when waiting for assertions to complete. Remaining assertions to match: " + remainingAssertions, completed);
     }