diff --git a/homeassistant/components/webdav/manifest.json b/homeassistant/components/webdav/manifest.json
index b4950bc23f3..3f465ceed4a 100644
--- a/homeassistant/components/webdav/manifest.json
+++ b/homeassistant/components/webdav/manifest.json
@@ -8,5 +8,5 @@
   "iot_class": "cloud_polling",
   "loggers": ["aiowebdav2"],
   "quality_scale": "bronze",
-  "requirements": ["aiowebdav2==0.3.1"]
+  "requirements": ["aiowebdav2==0.4.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 90b98c6e71e..592dc394655 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -422,7 +422,7 @@ aiowaqi==3.1.0
 aiowatttime==0.1.1
 
 # homeassistant.components.webdav
-aiowebdav2==0.3.1
+aiowebdav2==0.4.0
 
 # homeassistant.components.webostv
 aiowebostv==0.7.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 2906ff81b9e..e58596173bc 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -404,7 +404,7 @@ aiowaqi==3.1.0
 aiowatttime==0.1.1
 
 # homeassistant.components.webdav
-aiowebdav2==0.3.1
+aiowebdav2==0.4.0
 
 # homeassistant.components.webostv
 aiowebostv==0.7.3