diff --git a/pkgs/by-name/js/jsoncons/package.nix b/pkgs/by-name/js/jsoncons/package.nix
index b61745f2cac5..bc10504103e4 100644
--- a/pkgs/by-name/js/jsoncons/package.nix
+++ b/pkgs/by-name/js/jsoncons/package.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "jsoncons";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchFromGitHub {
     owner = "danielaparker";
     repo = "jsoncons";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-EafFoS54svxY9zaFqzWYQ8QUxN2dHy2wI5UugxKnyUk=";
+    hash = "sha256-BYmIGcQvy38KIWQp8Zr3Anz9HIfbXUhj4G+VgkusjhU=";
   };
 
   nativeBuildInputs = [ cmake ];