diff --git a/pkgs/development/ocaml-modules/ppx_deriving_yojson/default.nix b/pkgs/development/ocaml-modules/ppx_deriving_yojson/default.nix
index 5faaca81039..9af2c6edb32 100644
--- a/pkgs/development/ocaml-modules/ppx_deriving_yojson/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_deriving_yojson/default.nix
@@ -4,7 +4,7 @@
 
 buildDunePackage rec {
   pname = "ppx_deriving_yojson";
-  version = "3.5.2";
+  version = "3.5.3";
 
   minimumOCamlVersion = "4.04";
 
@@ -12,7 +12,7 @@ buildDunePackage rec {
     owner = "ocaml-ppx";
     repo = "ppx_deriving_yojson";
     rev = "v${version}";
-    sha256 = "1vbhmnhnj1aa4jrp8xqi52nggwj7vrml83z2j0r0qzvl65v02mc0";
+    sha256 = "030638gp39mr4hkilrjhd98q4s8gjqxifm6fy6bwqrg74hmrl2y5";
   };
 
   buildInputs = [ ppxfind ounit ];