diff --git a/homeassistant/components/knx/__init__.py b/homeassistant/components/knx/__init__.py
index 3dd6a97596d..1d547e895bf 100644
--- a/homeassistant/components/knx/__init__.py
+++ b/homeassistant/components/knx/__init__.py
@@ -326,8 +326,6 @@ class KNXModule:
             "knx_event",
             {"address": str(telegram.group_address), "data": telegram.payload.value},
         )
-        # False signals XKNX to proceed with processing telegrams.
-        return False
 
     async def service_send_to_knx_bus(self, call):
         """Service for sending an arbitrary KNX message to the KNX bus."""
diff --git a/homeassistant/components/knx/manifest.json b/homeassistant/components/knx/manifest.json
index 6b253c2a010..631a6329c8c 100644
--- a/homeassistant/components/knx/manifest.json
+++ b/homeassistant/components/knx/manifest.json
@@ -2,7 +2,7 @@
   "domain": "knx",
   "name": "KNX",
   "documentation": "https://www.home-assistant.io/integrations/knx",
-  "requirements": ["xknx==0.15.4"],
+  "requirements": ["xknx==0.15.6"],
   "codeowners": ["@Julius2342", "@farmio", "@marvin-w"],
   "quality_scale": "silver"
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 0e745d9995f..c7b98eb2a70 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2310,7 +2310,7 @@ xboxapi==2.0.1
 xfinity-gateway==0.0.4
 
 # homeassistant.components.knx
-xknx==0.15.4
+xknx==0.15.6
 
 # homeassistant.components.bluesound
 # homeassistant.components.rest