diff --git a/backend/requirements-ci.txt b/backend/requirements-ci.txt
index 21b5eb6..982b784 100644
--- a/backend/requirements-ci.txt
+++ b/backend/requirements-ci.txt
@@ -40,7 +40,7 @@ pytest-cov==4.1.0
 structlog==24.1.0
 
 # Security and encryption
-cryptography==42.0.5
+cryptography==46.0.5
 
 # System monitoring
 psutil==5.9.8
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 46120a3..9412f9c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -37,7 +37,7 @@ pytest-cov==4.1.0
 structlog==24.1.0
 
 # Security and encryption
-cryptography==42.0.5
+cryptography==46.0.5
 
 # System monitoring
 psutil==5.9.8