diff --git a/pkgs/by-name/ma/mapserver/package.nix b/pkgs/by-name/ma/mapserver/package.nix
index 6d15836e8ad0..b075c21c6e20 100644
--- a/pkgs/by-name/ma/mapserver/package.nix
+++ b/pkgs/by-name/ma/mapserver/package.nix
@@ -30,13 +30,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "mapserver";
-  version = "8.6.3";
+  version = "8.6.4";
 
   src = fetchFromGitHub {
     owner = "MapServer";
     repo = "MapServer";
     rev = "rel-${lib.replaceStrings [ "." ] [ "-" ] finalAttrs.version}";
-    hash = "sha256-PVuoljsDXxDFSB+VVCEmOsSQw8fGR0RaFcaom+W5B2E=";
+    hash = "sha256-kqCP0QZ8gNqS54B8nL8M9Wr9WyMQnORCs42O1eiMtRw=";
   };
 
   nativeBuildInputs = [