diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index ffd6f2bf0..6c8a4f0be 100644
--- a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -65,7 +65,7 @@ tasks {
   }
 
   withType<Test>().configureEach {
-    useJUnitPlatform()
+    useJUnitPlatform("5.13.4")
 
     val maxTestRetries = gradle.startParameter.projectProperties["maxTestRetries"]?.toInt() ?: 0
     develocity.testRetry {
@@ -147,10 +147,11 @@ dependencies {
 
 testing {
   suites.withType(JvmTestSuite::class).configureEach {
+    useJUnitJupiter("5.13.4")
+
     dependencies {
       implementation(project(project.path))
 
-      implementation(enforcedPlatform("org.junit:junit-bom:5.14.0"))
       implementation(enforcedPlatform("org.testcontainers:testcontainers-bom:1.21.3"))
       implementation(enforcedPlatform("com.google.guava:guava-bom:33.5.0-jre"))
       implementation(enforcedPlatform("com.linecorp.armeria:armeria-bom:1.33.4"))
@@ -159,16 +160,11 @@ testing {
       compileOnly("com.google.errorprone:error_prone_annotations")
       compileOnly("com.google.code.findbugs:jsr305")
 
-      implementation("org.junit.jupiter:junit-jupiter-api")
-      implementation("org.junit.jupiter:junit-jupiter-params")
       implementation("org.mockito:mockito-core")
       implementation("org.mockito:mockito-junit-jupiter")
       implementation("org.assertj:assertj-core")
       implementation("org.awaitility:awaitility")
       implementation("io.github.netmikey.logunit:logunit-jul")
-
-      runtimeOnly("org.junit.jupiter:junit-jupiter-engine")
-      runtimeOnly("org.junit.platform:junit-platform-launcher")
     }
   }
 }
diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 2221dfd27..9ab06e706 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -17,7 +17,7 @@ dependencies {
   api(platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:${otelInstrumentationVersion}"))
   api(platform("com.fasterxml.jackson:jackson-bom:2.20.0"))
   api(platform("com.google.protobuf:protobuf-bom:4.32.1"))
-  api(platform("com.squareup.okhttp3:okhttp-bom:5.1.0"))
+  api(platform("com.squareup.okhttp3:okhttp-bom:5.2.1"))
 
   constraints {
     api("io.opentelemetry.semconv:opentelemetry-semconv:${semconvVersion}")