diff --git a/pkgs/by-name/op/opencascade-occt/package.nix b/pkgs/by-name/op/opencascade-occt/package.nix
index 5b84417830f36..3d9c247b75eac 100644
--- a/pkgs/by-name/op/opencascade-occt/package.nix
+++ b/pkgs/by-name/op/opencascade-occt/package.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 , cmake
 , ninja
 , tcl
@@ -24,6 +25,15 @@ stdenv.mkDerivation rec {
     hash = "sha256-AGMZqTLLjXbzJFW/RSTsohAGV8sMxlUmdU/Y2oOzkk8=";
   };
 
+  patches = [
+    # fix compilation on darwin against latest version of freetype
+    # https://gitlab.freedesktop.org/freetype/freetype/-/merge_requests/330
+    (fetchpatch {
+      url = "https://github.com/Open-Cascade-SAS/OCCT/commit/7236e83dcc1e7284e66dc61e612154617ef715d6.diff";
+      hash = "sha256-NoC2mE3DG78Y0c9UWonx1vmXoU4g5XxFUT3eVXqLU60=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     ninja