diff --git a/homeassistant/components/mysensors/manifest.json b/homeassistant/components/mysensors/manifest.json
index be201b97101..b86cbb1739e 100644
--- a/homeassistant/components/mysensors/manifest.json
+++ b/homeassistant/components/mysensors/manifest.json
@@ -3,7 +3,8 @@
   "name": "MySensors",
   "documentation": "https://www.home-assistant.io/integrations/mysensors",
   "requirements": [
-    "pymysensors==0.20.1"
+    "pymysensors==0.20.1",
+    "packaging==20.8"
   ],
   "after_dependencies": [
     "mqtt"
diff --git a/requirements_all.txt b/requirements_all.txt
index d673f3093d4..5d94ba1cd5b 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1075,6 +1075,9 @@ orvibo==1.1.1
 # homeassistant.components.ovo_energy
 ovoenergy==1.1.11
 
+# homeassistant.components.mysensors
+packaging==20.8
+
 # homeassistant.components.mqtt
 # homeassistant.components.shiftr
 paho-mqtt==1.5.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index b0d70d1d8cd..11ce4ce9123 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -528,6 +528,9 @@ openerz-api==0.1.0
 # homeassistant.components.ovo_energy
 ovoenergy==1.1.11
 
+# homeassistant.components.mysensors
+packaging==20.8
+
 # homeassistant.components.mqtt
 # homeassistant.components.shiftr
 paho-mqtt==1.5.1