diff --git a/homeassistant/components/knx/manifest.json b/homeassistant/components/knx/manifest.json
index e075411d8b8..c514ec6fe64 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==0.18.8"],
+  "requirements": ["xknx==0.18.9"],
   "codeowners": ["@Julius2342", "@farmio", "@marvin-w"],
   "quality_scale": "silver",
   "iot_class": "local_push"
diff --git a/requirements_all.txt b/requirements_all.txt
index 2256474d3b6..df0e333deac 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2397,7 +2397,7 @@ xbox-webapi==2.0.11
 xboxapi==2.0.1
 
 # homeassistant.components.knx
-xknx==0.18.8
+xknx==0.18.9
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 6d1c0afd6b2..13d25c3867c 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1315,7 +1315,7 @@ wolf_smartset==0.1.11
 xbox-webapi==2.0.11
 
 # homeassistant.components.knx
-xknx==0.18.8
+xknx==0.18.9
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz