diff --git a/homeassistant/components/google/manifest.json b/homeassistant/components/google/manifest.json
index fecd245869a..1acfa3a2ad1 100644
--- a/homeassistant/components/google/manifest.json
+++ b/homeassistant/components/google/manifest.json
@@ -7,5 +7,5 @@
   "documentation": "https://www.home-assistant.io/integrations/google",
   "iot_class": "cloud_polling",
   "loggers": ["googleapiclient"],
-  "requirements": ["gcal-sync==7.1.0", "oauth2client==4.1.3", "ical==10.0.0"]
+  "requirements": ["gcal-sync==7.1.0", "oauth2client==4.1.3", "ical==10.0.4"]
 }
diff --git a/homeassistant/components/local_calendar/manifest.json b/homeassistant/components/local_calendar/manifest.json
index e0b08313d63..3bf00f30624 100644
--- a/homeassistant/components/local_calendar/manifest.json
+++ b/homeassistant/components/local_calendar/manifest.json
@@ -7,5 +7,5 @@
   "documentation": "https://www.home-assistant.io/integrations/local_calendar",
   "iot_class": "local_polling",
   "loggers": ["ical"],
-  "requirements": ["ical==10.0.0"]
+  "requirements": ["ical==10.0.4"]
 }
diff --git a/homeassistant/components/local_todo/manifest.json b/homeassistant/components/local_todo/manifest.json
index c8e80e4f91b..134cea5293b 100644
--- a/homeassistant/components/local_todo/manifest.json
+++ b/homeassistant/components/local_todo/manifest.json
@@ -5,5 +5,5 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/local_todo",
   "iot_class": "local_polling",
-  "requirements": ["ical==10.0.0"]
+  "requirements": ["ical==10.0.4"]
 }
diff --git a/homeassistant/components/remote_calendar/manifest.json b/homeassistant/components/remote_calendar/manifest.json
index 052b409dfe7..6ba1dea55ed 100644
--- a/homeassistant/components/remote_calendar/manifest.json
+++ b/homeassistant/components/remote_calendar/manifest.json
@@ -8,5 +8,5 @@
   "iot_class": "cloud_polling",
   "loggers": ["ical"],
   "quality_scale": "silver",
-  "requirements": ["ical==10.0.0"]
+  "requirements": ["ical==10.0.4"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 65a4b441cb4..7eddc5762a2 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1203,7 +1203,7 @@ ibmiotf==0.3.4
 # homeassistant.components.local_calendar
 # homeassistant.components.local_todo
 # homeassistant.components.remote_calendar
-ical==10.0.0
+ical==10.0.4
 
 # homeassistant.components.caldav
 icalendar==6.1.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 60c7ae60829..4e9155baeec 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1040,7 +1040,7 @@ ibeacon-ble==1.2.0
 # homeassistant.components.local_calendar
 # homeassistant.components.local_todo
 # homeassistant.components.remote_calendar
-ical==10.0.0
+ical==10.0.4
 
 # homeassistant.components.caldav
 icalendar==6.1.0