diff --git a/custom_components/hass_stadtreinigung_hamburg/manifest.json b/custom_components/hass_stadtreinigung_hamburg/manifest.json
index 8f6cf99..6f3b85b 100644
--- a/custom_components/hass_stadtreinigung_hamburg/manifest.json
+++ b/custom_components/hass_stadtreinigung_hamburg/manifest.json
@@ -7,8 +7,9 @@
         "@vigonotion"
     ],
     "requirements": [
-        "stadtreinigung-hamburg==0.3.1"
+        "stadtreinigung-hamburg==0.3.1",
+        "lxml_html_clean"
     ],
     "config_flow": true,
     "version": "1.1.2"
-}
\ No newline at end of file
+}