diff --git a/scripts/tests/chiptest/yamltest_with_chip_repl_tester.py b/scripts/tests/chiptest/yamltest_with_chip_repl_tester.py
index ccd026438d6f39..1b301c572874d0 100644
--- a/scripts/tests/chiptest/yamltest_with_chip_repl_tester.py
+++ b/scripts/tests/chiptest/yamltest_with_chip_repl_tester.py
@@ -153,6 +153,4 @@ def _StackShutDown():
 
 
 if __name__ == '__main__':
-    loop = asyncio.get_event_loop()
-    loop.run_until_complete(main())
-    loop.close()
+    asyncio.run(main())
diff --git a/src/controller/python/test/test_scripts/commissioning_failure_test.py b/src/controller/python/test/test_scripts/commissioning_failure_test.py
index 56a7fe8e1840d7..f082ae99628af3 100755
--- a/src/controller/python/test/test_scripts/commissioning_failure_test.py
+++ b/src/controller/python/test/test_scripts/commissioning_failure_test.py
@@ -136,9 +136,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/commissioning_test.py b/src/controller/python/test/test_scripts/commissioning_test.py
index 89b7685720260f..c53ab00f33489a 100755
--- a/src/controller/python/test/test_scripts/commissioning_test.py
+++ b/src/controller/python/test/test_scripts/commissioning_test.py
@@ -164,9 +164,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/failsafe_tests.py b/src/controller/python/test/test_scripts/failsafe_tests.py
index 1a33cad75bd92d..d27111cbf76354 100755
--- a/src/controller/python/test/test_scripts/failsafe_tests.py
+++ b/src/controller/python/test/test_scripts/failsafe_tests.py
@@ -113,9 +113,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/split_commissioning_test.py b/src/controller/python/test/test_scripts/split_commissioning_test.py
index ad00b9d8397679..864a6f357dd434 100755
--- a/src/controller/python/test/test_scripts/split_commissioning_test.py
+++ b/src/controller/python/test/test_scripts/split_commissioning_test.py
@@ -137,9 +137,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl1.py b/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl1.py
index 092940a2cddcf6..dc126a1d0400c4 100755
--- a/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl1.py
+++ b/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl1.py
@@ -129,9 +129,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl2.py b/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl2.py
index 6c6c2bfce648fb..2f50e80bf2fa75 100755
--- a/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl2.py
+++ b/src/controller/python/test/test_scripts/subscription_resumption_capacity_test_ctrl2.py
@@ -141,9 +141,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/subscription_resumption_test.py b/src/controller/python/test/test_scripts/subscription_resumption_test.py
index 790d2b59c08dd2..b7420c8c17ee73 100755
--- a/src/controller/python/test/test_scripts/subscription_resumption_test.py
+++ b/src/controller/python/test/test_scripts/subscription_resumption_test.py
@@ -130,9 +130,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")
diff --git a/src/controller/python/test/test_scripts/subscription_resumption_timeout_test.py b/src/controller/python/test/test_scripts/subscription_resumption_timeout_test.py
index e31f5d350f72f1..f4809a28a8e7a8 100755
--- a/src/controller/python/test/test_scripts/subscription_resumption_timeout_test.py
+++ b/src/controller/python/test/test_scripts/subscription_resumption_timeout_test.py
@@ -123,9 +123,7 @@ async def main():
 
 if __name__ == "__main__":
     try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(main())
-        loop.close()
+        asyncio.run(main())
     except Exception as ex:
         logger.exception(ex)
         TestFail("Exception occurred when running tests.")