diff --git a/pkgs/by-name/dy/dynarmic/0001-CMakeLists-update-mcl-version-to-0.1.13.patch b/pkgs/by-name/dy/dynarmic/0001-CMakeLists-update-mcl-version-to-0.1.13.patch
new file mode 100644
index 000000000000..8f28e58bff85
--- /dev/null
+++ b/pkgs/by-name/dy/dynarmic/0001-CMakeLists-update-mcl-version-to-0.1.13.patch
@@ -0,0 +1,29 @@
+From cdbf3ba41ddce41d8ae375464e514f72d158ec0b Mon Sep 17 00:00:00 2001
+From: Marcin Serwin <marcin@serwin.dev>
+Date: Sat, 5 Jul 2025 22:26:49 +0200
+Subject: [PATCH] CMakeLists: update mcl version to 0.1.13
+
+The mcl in externals is already at this version, but it wasn't bumped
+here which makes it impossible to use prebuilt mcl.
+
+Signed-off-by: Marcin Serwin <marcin@serwin.dev>
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e95050da..edd153d0 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -145,7 +145,7 @@ set(TSL_ROBIN_MAP_ENABLE_INSTALL ON)
+ 
+ find_package(Boost 1.57 REQUIRED)
+ find_package(fmt 9 CONFIG)
+-find_package(mcl 0.1.12 EXACT CONFIG)
++find_package(mcl 0.1.13 EXACT CONFIG)
+ find_package(tsl-robin-map CONFIG)
+ 
+ if ("arm64" IN_LIST ARCHITECTURE OR DYNARMIC_TESTS)
+-- 
+2.49.0
+
diff --git a/pkgs/by-name/dy/dynarmic/0001-xbyak-Fix-tests-when-using-newer-versions.patch b/pkgs/by-name/dy/dynarmic/0001-xbyak-Fix-tests-when-using-newer-versions.patch
new file mode 100644
index 000000000000..020f1cfd497e
--- /dev/null
+++ b/pkgs/by-name/dy/dynarmic/0001-xbyak-Fix-tests-when-using-newer-versions.patch
@@ -0,0 +1,27 @@
+From 40e8205b3efd126b9676a783c8306793e61d3f00 Mon Sep 17 00:00:00 2001
+From: Marcin Serwin <marcin@serwin.dev>
+Date: Sun, 6 Jul 2025 10:08:26 +0200
+Subject: [PATCH] xbyak: Fix tests when using newer versions
+
+Signed-off-by: Marcin Serwin <marcin@serwin.dev>
+---
+ src/dynarmic/CMakeLists.txt | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/dynarmic/CMakeLists.txt b/src/dynarmic/CMakeLists.txt
+index 6f0813ca..21a5576c 100644
+--- a/src/dynarmic/CMakeLists.txt
++++ b/src/dynarmic/CMakeLists.txt
+@@ -267,6 +267,9 @@ if ("x86_64" IN_LIST ARCHITECTURE)
+             xbyak::xbyak
+             Zydis::Zydis
+     )
++    # Newer versions of xbyak (>= 7.25.0) have stricter checks that currently
++    # fail in dynarmic
++    target_compile_definitions(dynarmic PRIVATE XBYAK_STRICT_CHECK_MEM_REG_SIZE=0)
+ 
+     target_architecture_specific_sources(dynarmic "x86_64"
+         backend/x64/abi.cpp
+-- 
+2.49.0
+
diff --git a/pkgs/by-name/dy/dynarmic/package.nix b/pkgs/by-name/dy/dynarmic/package.nix
new file mode 100644
index 000000000000..00988dadc887
--- /dev/null
+++ b/pkgs/by-name/dy/dynarmic/package.nix
@@ -0,0 +1,145 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  cmake,
+  ninja,
+  boost,
+  robin-map,
+  catch2_3,
+  fmt,
+  xbyak,
+  zydis,
+  nix-update-script,
+  azahar,
+  darwin,
+}:
+let
+  oaknut = stdenv.mkDerivation {
+    pname = "oaknut";
+    version = "1.2.2-unstable-2024-03-01";
+
+    src = fetchFromGitHub {
+      owner = "merryhime";
+      repo = "oaknut";
+      rev = "94c726ce0338b054eb8cb5ea91de8fe6c19f4392";
+      hash = "sha256-IhP/110NGN42/FvpGIEm9MgsSiPYdtD8kNxL0cAWbqM=";
+    };
+
+    nativeBuildInputs = [
+      cmake
+      ninja
+    ];
+  };
+
+  mcl = stdenv.mkDerivation {
+    pname = "mcl";
+    version = "0.1.13-unstable-2025-03-16";
+
+    src = fetchFromGitHub {
+      owner = "azahar-emu";
+      repo = "mcl";
+      rev = "7b08d83418f628b800dfac1c9a16c3f59036fbad";
+      hash = "sha256-uTOiOlMzKbZSjKjtVSqFU+9m8v8horoCq3wL0O2E8sI=";
+    };
+
+    nativeBuildInputs = [
+      cmake
+      ninja
+    ];
+
+    buildInputs = [
+      fmt
+    ];
+
+    checkInputs = [
+      catch2_3
+    ];
+
+    doCheck = true;
+    checkPhase = ''
+      tests/mcl-tests
+    '';
+  };
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "dynarmic";
+  version = "6.7.0-unstable-2025-03-16";
+
+  src = fetchFromGitHub {
+    owner = "azahar-emu";
+    repo = "dynarmic";
+    rev = "278405bd71999ed3f3c77c5f78344a06fef798b9";
+    hash = "sha256-D7nXn5y0h8FV0V8Tc8uBlRoeEU+gcpt44afujZvG+1A=";
+  };
+
+  patches = [
+    # https://github.com/azahar-emu/dynarmic/pull/2
+    ./0001-CMakeLists-update-mcl-version-to-0.1.13.patch
+    # https://github.com/azahar-emu/dynarmic/pull/3
+    ./0001-xbyak-Fix-tests-when-using-newer-versions.patch
+  ];
+
+  strictDeps = true;
+
+  nativeBuildInputs =
+    [
+      cmake
+      ninja
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      darwin.DarwinTools # sw_ver
+      darwin.bootstrap_cmds # mig
+    ];
+
+  buildInputs =
+    [
+      boost
+      robin-map
+      mcl
+      fmt
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isAarch64 [
+      oaknut
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isx86_64 [
+      xbyak
+      zydis
+    ];
+
+  checkInputs = [
+    catch2_3
+    oaknut
+  ];
+
+  # This changes `ir/opt` to `ir/var/empty` in `CMakeLists.txt`
+  # making the build fail, as that path does not exist
+  dontFixCmake = true;
+
+  cmakeFlags = [
+    (lib.cmakeBool "BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
+    (lib.cmakeBool "DYNARMIC_TESTS" finalAttrs.finalPackage.doCheck)
+  ];
+
+  env = lib.optionalAttrs stdenv.cc.isGNU {
+    # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117063
+    NIX_CFLAGS_COMPILE = "-Wno-error=stringop-overread";
+  };
+
+  doCheck = true;
+
+  passthru = {
+    inherit mcl oaknut;
+
+    updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
+    tests = { inherit azahar; };
+  };
+
+  meta = {
+    description = "Dynamic recompiler for ARM";
+    homepage = "https://github.com/azahar-emu/dynarmic";
+    maintainers = with lib.maintainers; [ marcin-serwin ];
+    license = lib.licenses.bsd0;
+    platforms = with lib.platforms; x86_64 ++ aarch64;
+  };
+})