diff --git a/requirements.txt b/requirements.txt
index c68893183..760821662 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,3 +45,4 @@ visualdl
 webrtcvad
 yacs~=0.1.8
 yq
+zhon
diff --git a/setup.py b/setup.py
index 986eecf05..d0410567b 100644
--- a/setup.py
+++ b/setup.py
@@ -78,6 +78,7 @@ requirements = {
         "unidecode",
         "yq",
         "pre-commit",
+        "zhon",
     ]
 }