diff --git a/client/pyproject.toml b/client/pyproject.toml
index f799646..177021f 100644
--- a/client/pyproject.toml
+++ b/client/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
 dependencies = [
     "dnspython == 2.6.1",
     "PyYAML == 6.0.1",
-    "cryptography == 42.0.8",
+    "cryptography == 43.0.0",
     "pid == 3.0.4",
 ]