diff --git a/src/pyproject.toml b/src/pyproject.toml
index 26fd7fe..0f1bea5 100644
--- a/src/pyproject.toml
+++ b/src/pyproject.toml
@@ -59,7 +59,7 @@ dependencies = [
     "pydantic-core==2.33.2",
     "pykakasi==2.3.0",
     "pymongo==4.16.0",
-    "pynacl==1.5.0",
+    "pynacl==1.6.2",
     "pyparsing==3.3.2",
     "pyshorteners==1.0.1",
     "python-dateutil==2.9.0.post0",
diff --git a/src/requirements.txt b/src/requirements.txt
index 22a9a26..9107e2a 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -50,7 +50,7 @@ pydantic==2.11.7
 pydantic_core==2.33.2
 pykakasi==2.3.0
 pymongo==4.16.0
-PyNaCl==1.5.0
+PyNaCl==1.6.2
 pyparsing==3.3.2
 pyshorteners==1.0.1
 python-dateutil==2.9.0.post0