diff --git a/pkgs/tools/graphics/oxipng/default.nix b/pkgs/tools/graphics/oxipng/default.nix
index 98ece65eb167..6f91ee26007c 100644
--- a/pkgs/tools/graphics/oxipng/default.nix
+++ b/pkgs/tools/graphics/oxipng/default.nix
@@ -1,15 +1,15 @@
 { lib, stdenv, fetchCrate, rustPlatform }:
 
 rustPlatform.buildRustPackage rec {
-  version = "4.0.2";
+  version = "4.0.3";
   pname = "oxipng";
 
   src = fetchCrate {
     inherit version pname;
-    sha256 = "0m36af9w1l6pc71fjbgyzcsszizwayvcv5d750zz2bnj23c77m69";
+    sha256 = "sha256-lvVgoAZMIqmbS6yMul9Hf9PtneEVy+jDs3kU1jSBL2w=";
   };
 
-  cargoSha256 = "16fby8ncdq0dyg9r0glrqwi04sja34br306c5sj22cq1dm3bb64q";
+  cargoSha256 = "sha256-v0A8/b/OPAtnaNlMX7QNXTGGH6kg67WBo/2ChOPDZdQ=";
 
   doCheck = !stdenv.isAarch64 && !stdenv.isDarwin;