diff --git a/pyproject.toml b/pyproject.toml
index 003a13a9..3cbd5b5b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 dependencies = [
   "pycryptodomex==3.16.0",
   "protobuf==3.20.1",
-  "cryptography==36.0.2",
+  "cryptography==42.0.4",
   "pynacl==1.5.0",
   "mnemonic==0.20",
   "requests==2.31.0"
diff --git a/requirements.txt b/requirements.txt
index 21d4b75f..7930faed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 pycryptodomex==3.19.1
 protobuf==3.20.2
-cryptography==42.0.2
+cryptography==42.0.4
 pynacl==1.5.0
 mnemonic==0.20
 requests==2.31.0