diff --git a/pkgs/development/python-modules/orjson/default.nix b/pkgs/development/python-modules/orjson/default.nix
index 89dc39be7366..01065a936f10 100644
--- a/pkgs/development/python-modules/orjson/default.nix
+++ b/pkgs/development/python-modules/orjson/default.nix
@@ -30,7 +30,7 @@
 
 buildPythonPackage rec {
   pname = "orjson";
-  version = "3.10.16";
+  version = "3.10.18";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -39,13 +39,13 @@ buildPythonPackage rec {
     owner = "ijl";
     repo = "orjson";
     tag = version;
-    hash = "sha256-hgyW3bff70yByxPFqw8pwPMPMAh9FxL1U+LQoJI6INo=";
+    hash = "sha256-gEShQJrqSFMwc9PreRhbup3yE0RySwJtlgXfhDomiIc=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit src;
     name = "${pname}-${version}";
-    hash = "sha256-mOHOIKmcXjPwZ8uPth+yvreHG4IpiS6SFhWY+IZS69E=";
+    hash = "sha256-vMuqqUfaYFZ1wC3SZBVF7Wq2OUKd7UkdC8GB93QBq8Y=";
   };
 
   nativeBuildInputs =