diff --git a/otel-extensions/build.gradle.kts b/otel-extensions/build.gradle.kts
index 3cdc84d0..7a3f6845 100644
--- a/otel-extensions/build.gradle.kts
+++ b/otel-extensions/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
 sourceSets {
     main {
         proto {
-            srcDir("src/main/proto")
+            setSrcDirs(listOf("src/main/proto/proto"))
             exclude("gen/go/**")
         }
     }
diff --git a/smoke-tests/build.gradle.kts b/smoke-tests/build.gradle.kts
index f9cb2963..727b26c9 100644
--- a/smoke-tests/build.gradle.kts
+++ b/smoke-tests/build.gradle.kts
@@ -12,7 +12,7 @@ val versions: Map<String, String> by extra
 dependencies{
     testImplementation(project(":testing-common"))
     testImplementation(project(":javaagent-core"))
-    testImplementation("org.testcontainers:testcontainers:1.15.2")
+    testImplementation("org.testcontainers:testcontainers:1.21.4")
     testImplementation("com.squareup.okhttp3:okhttp:4.9.0")
     testImplementation("org.awaitility:awaitility:4.0.3")
     testImplementation("io.opentelemetry.proto:opentelemetry-proto:${versions["opentelemetry_proto"]}")