diff --git a/testing-common/src/main/java/io/opentelemetry/instrumentation/test/utils/PortAllocator.java b/testing-common/src/main/java/io/opentelemetry/instrumentation/test/utils/PortAllocator.java
index 985f260bda83..43d29b43d10b 100644
--- a/testing-common/src/main/java/io/opentelemetry/instrumentation/test/utils/PortAllocator.java
+++ b/testing-common/src/main/java/io/opentelemetry/instrumentation/test/utils/PortAllocator.java
@@ -118,9 +118,7 @@ Closeable bind(int port) {
     }
 
     boolean canBind(int port) {
-      try {
-        ServerSocket socket = new ServerSocket(port);
-        socket.close();
+      try (ServerSocket socket = new ServerSocket(port)) {
         return true;
       } catch (IOException exception) {
         return false;