diff --git a/homeassistant/components/caldav/manifest.json b/homeassistant/components/caldav/manifest.json
index 16624f2af5..92e2f7e67d 100644
--- a/homeassistant/components/caldav/manifest.json
+++ b/homeassistant/components/caldav/manifest.json
@@ -5,5 +5,5 @@
   "documentation": "https://www.home-assistant.io/integrations/caldav",
   "iot_class": "cloud_polling",
   "loggers": ["caldav", "vobject"],
-  "requirements": ["caldav==1.2.0"]
+  "requirements": ["caldav==1.3.6"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index e38135267e..de2a230231 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -580,7 +580,7 @@ btsmarthub-devicelist==0.2.3
 buienradar==1.0.5
 
 # homeassistant.components.caldav
-caldav==1.2.0
+caldav==1.3.6
 
 # homeassistant.components.circuit
 circuit-webhook==1.0.1
diff --git a/requirements_test.txt b/requirements_test.txt
index 6df5c7a9b9..3ba9ed8abf 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -36,7 +36,7 @@ tqdm==4.66.1
 types-atomicwrites==1.4.5.1
 types-croniter==1.0.6
 types-backports==0.1.3
-types-caldav==1.2.0.2
+types-caldav==1.3.0.0
 types-chardet==0.1.5
 types-decorator==5.1.8.3
 types-enum34==1.1.8
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index ec44bde36a..5618c9bf7e 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -478,7 +478,7 @@ bthome-ble==3.0.0
 buienradar==1.0.5
 
 # homeassistant.components.caldav
-caldav==1.2.0
+caldav==1.3.6
 
 # homeassistant.components.coinbase
 coinbase==2.1.0