diff --git a/requirements.txt b/requirements.txt
index 18e90d1..9e9fab9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,7 @@ urllib3>=2.0.7
 pymp4~=1.4.0
 protobuf~=6.33.0
 pycryptodome~=3.23.0
+ecpy
 click~=8.1.7
 requests~=2.32.5
 Unidecode~=1.3.7