diff --git a/jmx-metrics/build.gradle.kts b/jmx-metrics/build.gradle.kts
index 37cf33518..ea587d747 100644
--- a/jmx-metrics/build.gradle.kts
+++ b/jmx-metrics/build.gradle.kts
@@ -1,4 +1,5 @@
 plugins {
+  id("otel.java-conventions")
   application
   id("com.github.johnrengelman.shadow")
 
diff --git a/jmx-scraper/test-app/build.gradle.kts b/jmx-scraper/test-app/build.gradle.kts
index 721f6fed7..9dcd5b6c8 100644
--- a/jmx-scraper/test-app/build.gradle.kts
+++ b/jmx-scraper/test-app/build.gradle.kts
@@ -1,15 +1,11 @@
 plugins {
+  id("otel.java-conventions")
+
   application
 }
 
 description = "JMX metrics scraper - test application"
 
-java {
-  toolchain {
-    languageVersion = JavaLanguageVersion.of(8)
-  }
-}
-
 tasks {
   jar {
     manifest {
diff --git a/jmx-scraper/test-webapp/build.gradle.kts b/jmx-scraper/test-webapp/build.gradle.kts
index ac863095b..4b4191d56 100644
--- a/jmx-scraper/test-webapp/build.gradle.kts
+++ b/jmx-scraper/test-webapp/build.gradle.kts
@@ -1,4 +1,6 @@
 plugins {
+  id("otel.java-conventions")
+
   war
 }
 
@@ -7,9 +9,3 @@ description = "JMX metrics scraper - test web application"
 dependencies {
   providedCompile("jakarta.servlet:jakarta.servlet-api:5.0.0")
 }
-
-java {
-  toolchain {
-    languageVersion = JavaLanguageVersion.of(8)
-  }
-}