diff --git a/tests/gold_tests/h2/h2active_timeout.py b/tests/gold_tests/h2/h2active_timeout.py
index aaf2622e66b..01659d36c5a 100644
--- a/tests/gold_tests/h2/h2active_timeout.py
+++ b/tests/gold_tests/h2/h2active_timeout.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/h2/h2bigclient.py b/tests/gold_tests/h2/h2bigclient.py
index 2e1d86d3311..ab73da24e03 100644
--- a/tests/gold_tests/h2/h2bigclient.py
+++ b/tests/gold_tests/h2/h2bigclient.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/h2/h2chunked.py b/tests/gold_tests/h2/h2chunked.py
index a7fee074ace..975276115f5 100644
--- a/tests/gold_tests/h2/h2chunked.py
+++ b/tests/gold_tests/h2/h2chunked.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/h2/h2client.py b/tests/gold_tests/h2/h2client.py
index d8f3ce0a101..b3599cf6d41 100644
--- a/tests/gold_tests/h2/h2client.py
+++ b/tests/gold_tests/h2/h2client.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/pluginTest/traffic_dump/verify_replay.py b/tests/gold_tests/pluginTest/traffic_dump/verify_replay.py
index e666318ed84..3d9b7816afb 100644
--- a/tests/gold_tests/pluginTest/traffic_dump/verify_replay.py
+++ b/tests/gold_tests/pluginTest/traffic_dump/verify_replay.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 """
 Verify that a given JSON replay file fulfills basic expectations.
 """
diff --git a/tests/gold_tests/slow_post/slow_post_client.py b/tests/gold_tests/slow_post/slow_post_client.py
index 47fb4b4639e..f84796e05f7 100644
--- a/tests/gold_tests/slow_post/slow_post_client.py
+++ b/tests/gold_tests/slow_post/slow_post_client.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/thread_config/check_threads.py b/tests/gold_tests/thread_config/check_threads.py
index 7ebfb808cfa..774193d6d61 100755
--- a/tests/gold_tests/thread_config/check_threads.py
+++ b/tests/gold_tests/thread_config/check_threads.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one
diff --git a/tests/gold_tests/tls/test-0rtt-s_client.py b/tests/gold_tests/tls/test-0rtt-s_client.py
index d2a90447c87..a0a7fb63fe7 100644
--- a/tests/gold_tests/tls/test-0rtt-s_client.py
+++ b/tests/gold_tests/tls/test-0rtt-s_client.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 '''
 '''
 #  Licensed to the Apache Software Foundation (ASF) under one