diff --git a/requirements.txt b/requirements.txt
index eaa220c7..0ff92e5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ click==6.7
 clickclick==1.2.2
 connexion==2.3.0
 crc32c==1.7
-cryptography==2.7
+cryptography==42.0.0
 dcplib==3.3.0
 docutils==0.15.2
 enum-compat==0.0.2