diff --git a/src/func_python/cloudevent.py b/src/func_python/cloudevent.py
index 87783272..66c18f92 100644
--- a/src/func_python/cloudevent.py
+++ b/src/func_python/cloudevent.py
@@ -9,7 +9,7 @@
 from cloudevents.conversion import to_structured, to_binary
 
 DEFAULT_LOG_LEVEL = logging.INFO
-DEFAULT_LISTEN_ADDRESS = "127.0.0.1:8080"
+DEFAULT_LISTEN_ADDRESS = "[::]:8080"
 
 logging.basicConfig(level=DEFAULT_LOG_LEVEL)
 
diff --git a/src/func_python/http.py b/src/func_python/http.py
index 00cad4a2..c50862d7 100644
--- a/src/func_python/http.py
+++ b/src/func_python/http.py
@@ -7,7 +7,7 @@
 import hypercorn.asyncio
 
 DEFAULT_LOG_LEVEL = logging.INFO
-DEFAULT_LISTEN_ADDRESS = "127.0.0.1:8080"
+DEFAULT_LISTEN_ADDRESS = "[::]:8080"
 
 logging.basicConfig(level=DEFAULT_LOG_LEVEL)