diff --git a/pkgs/development/python-modules/pythonocc-core/default.nix b/pkgs/development/python-modules/pythonocc-core/default.nix
index a3707047c56f..d056726a756a 100644
--- a/pkgs/development/python-modules/pythonocc-core/default.nix
+++ b/pkgs/development/python-modules/pythonocc-core/default.nix
@@ -14,19 +14,20 @@
   libXi,
   libXmu,
   opencascade-occt,
+  numpy,
   rapidjson,
   swig,
 }:
 
 stdenv.mkDerivation rec {
   pname = "pythonocc-core";
-  version = "7.6.2";
+  version = "7.8.1.1";
 
   src = fetchFromGitHub {
     owner = "tpaviot";
     repo = "pythonocc-core";
     tag = version;
-    hash = "sha256-45pqPQ07KYlpFwJSAYVHbzuqDQTbAvPpxReal52DCzU=";
+    hash = "sha256-0o2PQEN0/Z7FUPZEo2HxFFa+mN2bZnYI++HVu4ONpNA=";
   };
 
   postPatch = ''
@@ -50,12 +51,14 @@ stdenv.mkDerivation rec {
     libXmu
     libXi
     fontconfig
+    numpy
     rapidjson
   ] ++ lib.optionals stdenv.hostPlatform.isDarwin [ Cocoa ];
 
   cmakeFlags = [
     "-Wno-dev"
     "-DPYTHONOCC_INSTALL_DIRECTORY=${placeholder "out"}/${python.sitePackages}/OCC"
+    "-DPYTHONOCC_MESHDS_NUMPY=on"
   ];
 
   passthru = {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5a47f3047506..0bc0c887946c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13617,7 +13617,6 @@ self: super: with self; {
     inherit (pkgs) fontconfig rapidjson;
     inherit (pkgs.xorg) libX11 libXi libXmu libXext;
     inherit (pkgs.darwin.apple_sdk.frameworks) Cocoa;
-    opencascade-occt = pkgs.opencascade-occt_7_6;
   });
 
   python-olm = callPackage ../development/python-modules/python-olm { };