diff --git a/homeassistant/components/knx/manifest.json b/homeassistant/components/knx/manifest.json
index a0250a0cc92..6e229edb893 100644
--- a/homeassistant/components/knx/manifest.json
+++ b/homeassistant/components/knx/manifest.json
@@ -4,7 +4,7 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/knx",
   "requirements": [
-    "xknx==0.18.15"
+    "xknx==0.19.0"
   ],
   "codeowners": [
     "@Julius2342",
diff --git a/requirements_all.txt b/requirements_all.txt
index ec95ded24f8..70c7fd82a9e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2490,7 +2490,7 @@ xbox-webapi==2.0.11
 xboxapi==2.0.1
 
 # homeassistant.components.knx
-xknx==0.18.15
+xknx==0.19.0
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 4013901fcde..243d085a520 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1518,7 +1518,7 @@ wolf_smartset==0.1.11
 xbox-webapi==2.0.11
 
 # homeassistant.components.knx
-xknx==0.18.15
+xknx==0.19.0
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz
diff --git a/tests/components/knx/conftest.py b/tests/components/knx/conftest.py
index e089963bfa1..71a86f1e397 100644
--- a/tests/components/knx/conftest.py
+++ b/tests/components/knx/conftest.py
@@ -60,13 +60,13 @@ class KNXTestKit:
 
         def fish_xknx(*args, **kwargs):
             """Get the XKNX object from the constructor call."""
-            self.xknx = args[0]
+            self.xknx = kwargs["xknx"]
             # disable rate limiter for tests (before StateUpdater starts)
             self.xknx.rate_limit = 0
             return DEFAULT
 
         with patch(
-            "xknx.xknx.KNXIPInterface",
+            "xknx.xknx.knx_interface_factory",
             return_value=knx_ip_interface_mock(),
             side_effect=fish_xknx,
         ):