diff --git a/homeassistant/components/plex/manifest.json b/homeassistant/components/plex/manifest.json
index 137619b27b0..8e068c909c5 100644
--- a/homeassistant/components/plex/manifest.json
+++ b/homeassistant/components/plex/manifest.json
@@ -7,7 +7,9 @@
     "plexapi==3.0.6",
     "plexauth==0.0.4"
   ],
-  "dependencies": [],
+  "dependencies": [
+    "http"
+  ],
   "codeowners": [
     "@jjlawren"
   ]