diff --git a/pkgs/development/tools/minizinc/default.nix b/pkgs/development/tools/minizinc/default.nix
index 4e5f39472626..97aedfd8f8a0 100644
--- a/pkgs/development/tools/minizinc/default.nix
+++ b/pkgs/development/tools/minizinc/default.nix
@@ -1,6 +1,6 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, flex, bison }:
+{ lib, stdenv, fetchFromGitHub, cmake, flex, bison }:
 let
-  version = "2.4.3";
+  version = "2.5.3";
 in
 stdenv.mkDerivation {
   pname = "minizinc";
@@ -12,28 +12,9 @@ stdenv.mkDerivation {
     owner = "MiniZinc";
     repo = "libminizinc";
     rev = version;
-    sha256 = "0mahf621zwwywimly5nd6j39j7qr48k5p7zwpfqnjq4wn010mbf8";
+    sha256 = "1kc65sxkc64pr560qaaznc44jnlvq7pbpzwijad410lpcnna5byg";
   };
 
-  patches = [
-    # Fix build with newer Bison versions:
-    # https://github.com/MiniZinc/libminizinc/issues/389
-    (fetchpatch {
-      url = "https://github.com/MiniZinc/libminizinc/commit/d3136f6f198d3081943c17ac6890dbe14a81d112.diff";
-      sha256 = "1f4wxn9422ndgq6dd0vqdxm2313srm7gn9nh82aas2xijdxlmz2c";
-    })
-    (fetchpatch {
-      name = "bison-3.7-compat-1.patch";
-      url = "https://github.com/MiniZinc/libminizinc/commit/8d4dcf302e78231f7c2665150e8178cacd06f91c.patch";
-      sha256 = "1wgciyrqijv7b4wqha94is5skji8j7b9wq6fkdsnsimfd3xpxhqw";
-    })
-    (fetchpatch {
-      name = "bison-3.7-compat-2.patch";
-      url = "https://github.com/MiniZinc/libminizinc/commit/952ffda0bd23dc21f83d3e3f080ea5b3a414e8e0.patch";
-      sha256 = "0cnsfqw0hwm7rmazqnb99725rm2vdwab75vdpr5x5l3kjwsn76rj";
-    })
-  ];
-
   meta = with lib; {
     homepage = "https://www.minizinc.org/";
     description = "A medium-level constraint modelling language";
diff --git a/pkgs/development/tools/minizinc/ide.nix b/pkgs/development/tools/minizinc/ide.nix
index 7709423e676f..0683b9e1265c 100644
--- a/pkgs/development/tools/minizinc/ide.nix
+++ b/pkgs/development/tools/minizinc/ide.nix
@@ -1,19 +1,20 @@
-{ lib, stdenv, fetchFromGitHub, qtbase, qtwebengine, qtwebkit, qmake, makeWrapper, minizinc }:
+{ lib, mkDerivation, fetchFromGitHub, qtbase, qtwebengine, qtwebkit, qmake, minizinc }:
 let
-  version = "2.4.3";
+  version = "2.5.3";
 in
-stdenv.mkDerivation {
+mkDerivation {
   pname = "minizinc-ide";
   inherit version;
 
-  nativeBuildInputs = [ qmake makeWrapper ];
+  nativeBuildInputs = [ qmake ];
   buildInputs = [ qtbase qtwebengine qtwebkit ];
 
   src = fetchFromGitHub {
     owner = "MiniZinc";
     repo = "MiniZincIDE";
     rev = version;
-    sha256 = "0dfqh73rnp00336pyr1hlgl1wb4m2kh28zvdkamjgml60gmg6wdr";
+    sha256 = "1c80ilb1xbgzfadgal668h2zsaiv62il1jnljizrisgb7pszzyzw";
+    fetchSubmodules = true;
   };
 
   sourceRoot = "source/MiniZincIDE";