diff --git a/python/paybc_api/requirements.txt b/python/paybc_api/requirements.txt
index 0ce5e147f..2f8a67be0 100644
--- a/python/paybc_api/requirements.txt
+++ b/python/paybc_api/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 charset-normalizer==2.0.9
 click==7.1.2
 convertdate==2.2.0
-cryptography==36.0.0
+cryptography==39.0.1
 dparse==0.5.1
 ecdsa==0.17.0
 Flask==2.0.2