diff --git a/pkgs/by-name/md/mdschema/package.nix b/pkgs/by-name/md/mdschema/package.nix
index 1770a9502030..3ffc15991f4d 100644
--- a/pkgs/by-name/md/mdschema/package.nix
+++ b/pkgs/by-name/md/mdschema/package.nix
@@ -8,17 +8,17 @@
 
 buildGoModule (finalAttrs: {
   pname = "mdschema";
-  version = "0.15.2";
+  version = "0.15.3";
   __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "jackchuka";
     repo = "mdschema";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-T7sBYkdxqp8VDRyhWZqP/giKJYjnsywWegSkE4cR02M=";
+    hash = "sha256-XI7KsxfPgVKSYjUOoVXLU6SIhYMVjlJyq05FgrLPL0k=";
   };
 
-  vendorHash = "sha256-lfmzPOu/OJ7wWnO2upkMmai9iI7HMEpAj7fSZU0jdUs=";
+  vendorHash = "sha256-m2nwsdYab7w+aT7a4eXXKjnTRCaddm5z9aJRk2KTyN4=";
 
   ldflags = [
     "-s"