diff --git a/docs/generate.sh b/docs/generate.sh
index 468ee7f..04dd80b 100755
--- a/docs/generate.sh
+++ b/docs/generate.sh
@@ -86,6 +86,7 @@ PY_MODULES='firebase_functions
             firebase_functions.core
             firebase_functions.db_fn
             firebase_functions.eventarc_fn
+            firebase_functions.firestore_fn
             firebase_functions.https_fn
             firebase_functions.identity_fn
             firebase_functions.options