diff --git a/homeassistant/components/caldav/manifest.json b/homeassistant/components/caldav/manifest.json
index 91f563107ed..e6945effca4 100644
--- a/homeassistant/components/caldav/manifest.json
+++ b/homeassistant/components/caldav/manifest.json
@@ -2,7 +2,7 @@
   "domain": "caldav",
   "name": "CalDAV",
   "documentation": "https://www.home-assistant.io/integrations/caldav",
-  "requirements": ["caldav==0.8.2"],
+  "requirements": ["caldav==0.9.0"],
   "codeowners": [],
   "iot_class": "cloud_polling",
   "loggers": ["caldav", "vobject"]
diff --git a/requirements_all.txt b/requirements_all.txt
index dd253665613..13bb140e1a5 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -460,7 +460,7 @@ btsmarthub_devicelist==0.2.0
 buienradar==1.0.5
 
 # homeassistant.components.caldav
-caldav==0.8.2
+caldav==0.9.0
 
 # homeassistant.components.circuit
 circuit-webhook==1.0.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 510f001e729..792d6287e3e 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -339,7 +339,7 @@ bsblan==0.5.0
 buienradar==1.0.5
 
 # homeassistant.components.caldav
-caldav==0.8.2
+caldav==0.9.0
 
 # homeassistant.components.co2signal
 co2signal==0.4.2