diff --git a/.github/workflows/tflm.yml b/.github/workflows/tflm.yml
index 8e46606..2278b17 100644
--- a/.github/workflows/tflm.yml
+++ b/.github/workflows/tflm.yml
@@ -38,6 +38,16 @@ jobs:
       fail-fast: true
 
     steps:
+    - name: '🛠 Configure locale'
+      run: |
+        sudo locale-gen "en_US.UTF-8"
+        sudo dpkg-reconfigure locales
+        sudo update-locale LANG=en_US.UTF-8
+        export LC_ALL=en_US.UTF-8
+        export LANG=C.UTF-8
+        export LANGUAGE=en_US.UTF-8
+        locale
+
     - name: '⏳ Checkout main'
       uses: actions/checkout@v4
       with:
@@ -62,6 +72,9 @@ jobs:
       if: steps.cache.outputs.cache-hit != 'true'
       run: source tools/ci.sh && ci_install_arm_gcc
 
+    - name: '🛠 Install Make '
+      run: source tools/ci.sh && ci_install_make
+
     - name: '🐍 Set up Python'
       uses: actions/setup-python@v5
       with:
@@ -75,6 +88,13 @@ jobs:
     - name: '🏗 Build TFLM'
       run: |
         source tools/ci.sh
+        arm-none-eabi-gcc --version
+        make --version
+        sudo update-locale LANG=en_US.UTF-8
+        export LC_ALL=en_US.UTF-8
+        export LANG=C.UTF-8
+        export LANGUAGE=en_US.UTF-8
+        locale
         ci_build_target ${{ matrix.target.name }} \
                         ${{ matrix.target.arch }} \
                         "${{ matrix.target.kernel }}" \
@@ -111,7 +131,7 @@ jobs:
         if-no-files-found: error
 
   push-artifacts:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     needs: [build-tflm]
     if: github.event_name == 'push'
     permissions:
diff --git a/tools/ci.sh b/tools/ci.sh
index a75729e..fda9360 100644
--- a/tools/ci.sh
+++ b/tools/ci.sh
@@ -11,13 +11,26 @@
 TFLM_REPO_PATH=tflite-micro
 TOOLCHAIN_PATH=${HOME}/cache/gcc
 export PATH=${TOOLCHAIN_PATH}/bin:${PATH}
+MAKE_URL="https://ftp.gnu.org/gnu/make/make-4.4.1.tar.gz"
 TOOLCHAIN_URL="https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-x86_64-arm-none-eabi.tar.xz"
 
 ci_install_arm_gcc() {
     mkdir -p ${TOOLCHAIN_PATH}
     wget --no-check-certificate -O - ${TOOLCHAIN_URL} | tar --strip-components=1 -Jx -C ${TOOLCHAIN_PATH}
     export PATH=${TOOLCHAIN_PATH}/bin:${PATH}
-    arm-none-eabi-gcc --version
+}
+
+ci_install_make() {
+    MAKE_PATH=make-build
+    # extract and build make then copy to  ${TOOLCHAIN_PATH}
+    mkdir -p ${MAKE_PATH}
+    wget --no-check-certificate -O - ${MAKE_URL} | tar --strip-components=1 -xz -C ${MAKE_PATH}
+
+    pushd ${MAKE_PATH}
+    ./configure --prefix=/usr
+    make -j$(nproc)
+    sudo make install
+    popd
 }
 
 # Update Submodules.
@@ -38,14 +51,14 @@ ci_build_target() {
 
     ETHOSU_CONFIG="-DNPU_QCONFIG=0 -DNPU_REGIONCFG_0=0 -DAXI_LIMIT0_MAX_BEATS_BYTES=1 -DAXI_LIMIT0_MEM_TYPE=2 -DAXI_LIMIT1_MAX_BEATS_BYTES=1 -DAXI_LIMIT1_MEM_TYPE=2 -DAXI_LIMIT2_MAX_BEATS_BYTES=1 -DAXI_LIMIT2_MEM_TYPE=2 -DAXI_LIMIT3_MAX_BEATS_BYTES=1 -DAXI_LIMIT3_MEM_TYPE=2"
 
+    echo "make -j$(nproc) -f tensorflow/lite/micro/tools/make/Makefile \
+    TARGET=cortex_m_generic TARGET_ARCH=${TARGET_ARCH} CO_PROCESSOR=${TARGET_COPROC} \
+    ${TARGET_ARGS} OPTIMIZED_KERNEL_DIR=${TARGET_KERNEL} CORE_OPTIMIZATION_LEVEL=-O2 \
+    KERNEL_OPTIMIZATION_LEVEL=-O2 THIRD_PARTY_KERNEL_OPTIMIZATION_LEVEL=-O2 \
+    TARGET_TOOLCHAIN_ROOT=${TOOLCHAIN_PATH}/bin/ TARGET_TOOLCHAIN_PREFIX=arm-none-eabi- \
+    ETHOSU_EXTRA_FLAGS=${ETHOSU_CONFIG} BUILD_TYPE=${TARGET_BUILD} MICROLITE_LIB_NAME=libtflm.a microlite"
+ 
     pushd ${TFLM_REPO_PATH}
-echo "make -j$(nproc) -f tensorflow/lite/micro/tools/make/Makefile \
-TARGET=cortex_m_generic TARGET_ARCH=${TARGET_ARCH} CO_PROCESSOR=${TARGET_COPROC} \
-${TARGET_ARGS} OPTIMIZED_KERNEL_DIR=${TARGET_KERNEL} CORE_OPTIMIZATION_LEVEL=-O2 \
-KERNEL_OPTIMIZATION_LEVEL=-O2 THIRD_PARTY_KERNEL_OPTIMIZATION_LEVEL=-O2 \
-TARGET_TOOLCHAIN_ROOT=${TOOLCHAIN_PATH}/bin/ TARGET_TOOLCHAIN_PREFIX=arm-none-eabi- \
-ETHOSU_EXTRA_FLAGS=${ETHOSU_CONFIG} BUILD_TYPE=${TARGET_BUILD} MICROLITE_LIB_NAME=libtflm.a microlite"
-    
     make -j$(nproc) -f tensorflow/lite/micro/tools/make/Makefile \
          TARGET=cortex_m_generic TARGET_ARCH=${TARGET_ARCH} CO_PROCESSOR=${TARGET_COPROC} \
          ${TARGET_ARGS} OPTIMIZED_KERNEL_DIR=${TARGET_KERNEL} CORE_OPTIMIZATION_LEVEL=-O2 \