diff --git a/custom/src/test/java/co/elastic/otel/ElasticAutoConfigurationCustomizerProviderTest.java b/custom/src/test/java/co/elastic/otel/ElasticAutoConfigurationCustomizerProviderTest.java
index f04ac0ae..984c8de3 100644
--- a/custom/src/test/java/co/elastic/otel/ElasticAutoConfigurationCustomizerProviderTest.java
+++ b/custom/src/test/java/co/elastic/otel/ElasticAutoConfigurationCustomizerProviderTest.java
@@ -23,6 +23,7 @@
 import static io.opentelemetry.sdk.testing.assertj.OpenTelemetryAssertions.assertThat;
 
 import co.elastic.otel.testing.OtelReflectionUtils;
+import io.opentelemetry.common.ComponentLoader;
 import io.opentelemetry.javaagent.tooling.EmptyConfigProperties;
 import io.opentelemetry.sdk.OpenTelemetrySdk;
 import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
@@ -39,6 +40,10 @@
 
 class ElasticAutoConfigurationCustomizerProviderTest {
 
+  private static final ComponentLoader componentLoader =
+      ComponentLoader.forClassLoader(
+          ElasticAutoConfigurationCustomizerProviderTest.class.getClassLoader());
+
   @Test
   void defaultConfiguration() {
     Map<String, String> config = propertiesCustomizer(EmptyConfigProperties.INSTANCE);
@@ -58,7 +63,8 @@ void defaultConfiguration() {
   void disableCustomResourceProvider() {
     Map<String, String> userConfig = new HashMap<>();
     userConfig.put("otel.java.disabled.resource.providers", "my.disabled.provider.Provider");
-    Map<String, String> config = propertiesCustomizer(DefaultConfigProperties.create(userConfig));
+    Map<String, String> config =
+        propertiesCustomizer(DefaultConfigProperties.create(userConfig, componentLoader));
     String value = config.get("otel.java.disabled.resource.providers");
     assertThat(value)
         .satisfies(
@@ -73,7 +79,8 @@ void disableCustomResourceProvider() {
   void disableExperimentalRuntimeMetrics() {
     Map<String, String> userConfig = new HashMap<>();
     userConfig.put("otel.instrumentation.runtime-telemetry.emit-experimental-telemetry", "false");
-    Map<String, String> config = propertiesCustomizer(DefaultConfigProperties.create(userConfig));
+    Map<String, String> config =
+        propertiesCustomizer(DefaultConfigProperties.create(userConfig, componentLoader));
     String value = config.get("otel.instrumentation.runtime-telemetry.emit-experimental-telemetry");
     assertThat(value).isEqualTo("false");
   }
@@ -81,7 +88,7 @@ void disableExperimentalRuntimeMetrics() {
   @Test
   void ensureDefaultMetricTemporalityIsDelta() {
     Map<String, String> config =
-        propertiesCustomizer(DefaultConfigProperties.create(new HashMap<>()));
+        propertiesCustomizer(DefaultConfigProperties.create(new HashMap<>(), componentLoader));
     String value = config.get("otel.exporter.otlp.metrics.temporality.preference");
     assertThat(value).isEqualTo("DELTA");
   }
@@ -90,7 +97,8 @@ void ensureDefaultMetricTemporalityIsDelta() {
   void customizeMetricTemporalityPreference() {
     Map<String, String> userConfig = new HashMap<>();
     userConfig.put("otel.exporter.otlp.metrics.temporality.preference", "LOWMEMORY");
-    Map<String, String> config = propertiesCustomizer(DefaultConfigProperties.create(userConfig));
+    Map<String, String> config =
+        propertiesCustomizer(DefaultConfigProperties.create(userConfig, componentLoader));
     String value = config.get("otel.exporter.otlp.metrics.temporality.preference");
     assertThat(value).isEqualTo("LOWMEMORY");
   }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d9c2e4b6..96ae0197 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,11 +11,11 @@ opentelemetryProto = "1.3.2-alpha"
 
 # otel agent, we rely on the '*-alpha' and get the non-alpha dependencies transitively
 # updated from upstream agent with gradle/update-upstream.sh
-opentelemetryJavaagentAlpha = "2.17.1-alpha"
+opentelemetryJavaagentAlpha = "2.19.0-alpha"
 
 # otel contrib
 # updated from upstream agent with gradle/update-upstream.sh
-opentelemetryContribAlpha = "1.46.0-alpha"
+opentelemetryContribAlpha = "1.48.0-alpha"
 
 # otel semconv
 # updated from upstream agent with gradle/update-upstream.sh