diff --git a/python/paybc_api/requirements.txt b/python/paybc_api/requirements.txt
index 0ce5e147..c365ab35 100644
--- a/python/paybc_api/requirements.txt
+++ b/python/paybc_api/requirements.txt
@@ -1,5 +1,5 @@
 attrs==21.2.0
-Authlib==0.15.5
+Authlib==1.6.4
 Cerberus==1.3.2
 certifi==2021.10.8
 cffi==1.15.0