diff --git a/homeassistant/components/plex/manifest.json b/homeassistant/components/plex/manifest.json
index 7e78cdda4b2..386f772947a 100644
--- a/homeassistant/components/plex/manifest.json
+++ b/homeassistant/components/plex/manifest.json
@@ -4,7 +4,7 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/plex",
   "requirements": [
-      "plexapi==3.6.0",
+      "plexapi==4.0.0",
       "plexauth==0.0.5",
       "plexwebsocket==0.0.10"
   ],
diff --git a/requirements_all.txt b/requirements_all.txt
index 682ca8ed0f7..b18b2048b11 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1078,7 +1078,7 @@ pillow==7.1.2
 pizzapi==0.0.3
 
 # homeassistant.components.plex
-plexapi==3.6.0
+plexapi==4.0.0
 
 # homeassistant.components.plex
 plexauth==0.0.5
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 0069aac21a5..12e90ae36f1 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -453,7 +453,7 @@ pilight==0.1.1
 pillow==7.1.2
 
 # homeassistant.components.plex
-plexapi==3.6.0
+plexapi==4.0.0
 
 # homeassistant.components.plex
 plexauth==0.0.5