diff --git a/smoke-tests/src/test/groovy/io/opentelemetry/smoketest/AppServerTest.groovy b/smoke-tests/src/test/groovy/io/opentelemetry/smoketest/AppServerTest.groovy
index 16c3704436..b9ac6e2433 100644
--- a/smoke-tests/src/test/groovy/io/opentelemetry/smoketest/AppServerTest.groovy
+++ b/smoke-tests/src/test/groovy/io/opentelemetry/smoketest/AppServerTest.groovy
@@ -92,6 +92,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -132,6 +135,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -171,6 +177,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -212,6 +221,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -256,6 +268,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -295,6 +310,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }
@@ -341,6 +359,9 @@ abstract class AppServerTest extends SmokeTest {
       .findAny()
       .isPresent()
 
+    cleanup:
+    response?.close()
+
     where:
     [appServer, jdk] << getTestParams()
   }