diff --git a/homeassistant/components/lcn/manifest.json b/homeassistant/components/lcn/manifest.json
index 44a4d683c81..e9717774e17 100644
--- a/homeassistant/components/lcn/manifest.json
+++ b/homeassistant/components/lcn/manifest.json
@@ -6,5 +6,5 @@
   "documentation": "https://www.home-assistant.io/integrations/lcn",
   "iot_class": "local_push",
   "loggers": ["pypck"],
-  "requirements": ["pypck==0.7.20"]
+  "requirements": ["pypck==0.7.21"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 87e1d39dcb9..2452ce37fac 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2100,7 +2100,7 @@ pyownet==0.10.0.post1
 pypca==0.0.7
 
 # homeassistant.components.lcn
-pypck==0.7.20
+pypck==0.7.21
 
 # homeassistant.components.pjlink
 pypjlink2==1.2.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 12227469600..7302bbe5bab 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1681,7 +1681,7 @@ pyoverkiz==1.13.14
 pyownet==0.10.0.post1
 
 # homeassistant.components.lcn
-pypck==0.7.20
+pypck==0.7.21
 
 # homeassistant.components.pjlink
 pypjlink2==1.2.1