diff --git a/mingw-w64-trilinos/001-aarch64-clang.patch b/mingw-w64-trilinos/001-aarch64-clang.patch
new file mode 100644
index 0000000000..b9cae028d9
--- /dev/null
+++ b/mingw-w64-trilinos/001-aarch64-clang.patch
@@ -0,0 +1,12 @@
+diff -bur Trilinos-trilinos-release-16-1-0-o/packages/kokkos/cmake/kokkos_arch.cmake Trilinos-trilinos-release-16-1-0/packages/kokkos/cmake/kokkos_arch.cmake
+--- Trilinos-trilinos-release-16-1-0-o/packages/kokkos/cmake/kokkos_arch.cmake	2025-04-14 19:34:12.003632100 -0600
++++ Trilinos-trilinos-release-16-1-0/packages/kokkos/cmake/kokkos_arch.cmake	2025-04-14 19:45:45.121723900 -0600
+@@ -691,7 +691,7 @@
+ endif()
+ 
+ # Clang needs mcx16 option enabled for Windows atomic functions
+-if(CMAKE_CXX_COMPILER_ID STREQUAL Clang AND WIN32)
++if(CMAKE_CXX_COMPILER_ID STREQUAL Clang AND WIN32 AND (NOT (CMAKE_SYSTEM_PROCESSOR MATCHES "ARM64")))
+   compiler_specific_options(Clang -mcx16)
+ endif()
+ 
diff --git a/mingw-w64-trilinos/PKGBUILD b/mingw-w64-trilinos/PKGBUILD
index a783f44d62..ed5b9a4a0a 100644
--- a/mingw-w64-trilinos/PKGBUILD
+++ b/mingw-w64-trilinos/PKGBUILD
@@ -8,12 +8,12 @@
 _realname=trilinos
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=16.0.0
+pkgver=16.1.0
 _pkgver=${pkgver//./-}
-pkgrel=4
+pkgrel=1
 pkgdesc='Algorithms for the solution of large-scale scientific problems" (mingw-w64)'
 arch=('any')
-mingw_arch=('mingw64' 'ucrt64' 'clang64')
+mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url="http://trilinos.org"
 msys2_repository_url="https://github.com/trilinos/Trilinos"
 license=('spdx:BSD-3-Clause AND LGPL-2.1-or-later')
@@ -23,7 +23,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-python"
          "${MINGW_PACKAGE_PREFIX}-netcdf"
          "${MINGW_PACKAGE_PREFIX}-matio"
          "${MINGW_PACKAGE_PREFIX}-hdf5"
-         "${MINGW_PACKAGE_PREFIX}-msmpi")
+         $([[ ${CARCH} == aarch64 ]] || echo "${MINGW_PACKAGE_PREFIX}-msmpi"))
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-ninja"
@@ -36,16 +36,26 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
 optdepends=("${MINGW_PACKAGE_PREFIX}-seacas")
 provides=("${MINGW_PACKAGE_PREFIX}-kokkos")
 source=("https://github.com/${_realname}/Trilinos/archive/${_realname}-release-${_pkgver}.tar.gz"
-        "https://github.com/trilinos/Trilinos/commit/b7a7a71d9ab66970e082474775952348b5a0eea4.patch")
-sha256sums=('46bfc40419ed2aa2db38c144fb8e61d4aa8170eaa654a88d833ba6b92903f309'
-            '68eac70c267007fe50e23e9a988848a9801f11498296d574fb000d6ecf9f3d6d')
+        "001-aarch64-clang.patch")
+sha256sums=('e9651c88f581049457036cfc01b527a9d3903c257338eeeab942befd7452f23a'
+            '4aa0ec733709ba9dc9f7425efb2fec5ae975c2be99601e06c5a82ef9933218ee')
 noextract=(${_realname}-release-${_pkgver}.tar.gz)
 
+apply_patch_with_msg() {
+  for _fname in "$@"
+  do
+    msg2 "Applying ${_fname}"
+    patch -Nbp1 -i "${srcdir}"/${_fname}
+  done
+}
+
 prepare(){
   tar -xzf ${_realname}-release-${_pkgver}.tar.gz || true
+
   cd "Trilinos-${_realname}-release-${_pkgver}"
 
-  patch -Np1 -i ../b7a7a71d9ab66970e082474775952348b5a0eea4.patch
+  apply_patch_with_msg \
+    001-aarch64-clang.patch
 }
 
 build() {
@@ -60,6 +70,10 @@ build() {
     extra_config+=("-DCMAKE_Fortran_FLAGS='$FCFLAGS -fallow-argument-mismatch'")
   fi
 
+  if [[ "${CARCH}" == "aarch64" ]]; then
+    extra_config+=("-DKokkos_ARCH_ARMV81=ON")
+  fi  
+
   #Static Build
   mkdir -p "${srcdir}/build-${MSYSTEM}-static" && cd "${srcdir}/build-${MSYSTEM}-static"