diff --git a/requirements.txt b/requirements.txt
index 192fb45..e773874 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,6 +26,7 @@ pydantic==1.10.2 ; python_version >= "3.7" and python_version < "4.0"
 pyparsing==3.0.9 ; python_version >= "3.7" and python_version < "4.0"
 pytest-asyncio==0.19.0 ; python_version >= "3.7" and python_version < "4.0"
 pytest==7.1.3 ; python_version >= "3.7" and python_version < "4.0"
+python-bitcoinlib==0.11.2 ; python_version >= "3.7" and python_version < "4.0"
 python-dotenv==0.21.0 ; python_version >= "3.7" and python_version < "4.0"
 represent==1.6.0.post0 ; python_version >= "3.7" and python_version < "4.0"
 requests==2.27.1 ; python_version >= "3.7" and python_version < "4.0"