diff --git a/pkgs/development/python-modules/simplejson/default.nix b/pkgs/development/python-modules/simplejson/default.nix
index 74530b3fb830..0f691bb1bfb9 100644
--- a/pkgs/development/python-modules/simplejson/default.nix
+++ b/pkgs/development/python-modules/simplejson/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "simplejson";
-  version = "3.17.6";
+  version = "3.18.0";
 
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "1irlp5sakbdfcf717qmrx0r9rjlmwk0vza6zm3y55d32zw5c1cxg";
+    sha256 = "sha256-X1lD/kCbKDPPgpr2deoVbC5LADqBlNZHvDg7206E9ZE=";
   };
 
   checkInputs = [