diff --git a/requirements.txt b/requirements.txt
index 82c4712..5c87446 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ charset-normalizer==2.0.12
 click==8.0.4
 cloudant==2.4.0
 coverage==5.5
-cryptography==41.0.6
+cryptography==42.0.4
 Cython==0.29.21
 flasgger==0.6.4
 Flask==1.0