diff --git a/requirements.txt b/requirements.txt
index 18e6cb348..ae599f27d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,6 +43,8 @@ numpy               # npy pandas hdf5 arrow
 tomli; python_version < '3.11' # toml
 pyconll             # conll/conllu
 backports.zoneinfo; python_version < '3.9' #f5log
+msgpack				# msgpack
+brotli 				# msgpackz
 
 requests_cache      # scraper
 beautifulsoup4      # scraper