diff --git a/pkgs/by-name/js/jsoncons/package.nix b/pkgs/by-name/js/jsoncons/package.nix
index 3cf6e3ef99d2..df12a8985f78 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 = "1.4.2";
+  version = "1.4.3";
 
   src = fetchFromGitHub {
     owner = "danielaparker";
     repo = "jsoncons";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-aWJTJiEBpWVvNl3l8MB30NakqXVni+VoalV66Sg2g9M=";
+    hash = "sha256-7ySbnWiX5pHMG2BcnLowKegEwjSdkKReh72Y3z8cpLg=";
   };
 
   nativeBuildInputs = [ cmake ];