diff --git a/homeassistant/components/knx/manifest.json b/homeassistant/components/knx/manifest.json
index 92c44f87b26..3fdbcefcf25 100644
--- a/homeassistant/components/knx/manifest.json
+++ b/homeassistant/components/knx/manifest.json
@@ -12,7 +12,7 @@
   "quality_scale": "platinum",
   "requirements": [
     "xknx==2.10.0",
-    "xknxproject==3.1.0",
+    "xknxproject==3.1.1",
     "knx-frontend==2023.5.31.141540"
   ]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 84bc7e6cf90..651a8f2ff31 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2691,7 +2691,7 @@ xiaomi-ble==0.17.2
 xknx==2.10.0
 
 # homeassistant.components.knx
-xknxproject==3.1.0
+xknxproject==3.1.1
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index dbc0c5d7e83..ff28f4beed4 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1967,7 +1967,7 @@ xiaomi-ble==0.17.2
 xknx==2.10.0
 
 # homeassistant.components.knx
-xknxproject==3.1.0
+xknxproject==3.1.1
 
 # homeassistant.components.bluesound
 # homeassistant.components.fritz