diff --git a/requirements.txt b/requirements.txt
index 90736be8..c51dc407 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ atomicwrites >= 1.3.0, < 2
 boto3 >= 1.9.86, < 2
 botocore >= 1.12.208, < 2
 commonmark >= 0.9.0, < 1
-cryptography >= 2.6.1, < 3
+cryptography>=46.0.5
 dcplib >= 2.0.2, < 3
 
 # The version range of docutils is pinned by botocore. Pinning it here can cause a version conflict.