diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index 5f1bae1d1..c20b8ca66 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -331,7 +331,7 @@ jobs:
             build_node_package: true
             continue-on-error: true
             node: 20
-            runs-on: macos-11
+            runs-on: macos-13 # x86_64
             BUILD_TYPE: Release
             CCOMPILER: clang
             CXXCOMPILER: clang++
@@ -343,7 +343,7 @@ jobs:
             build_node_package: true
             continue-on-error: true
             node: 20
-            runs-on: macos-11
+            runs-on: macos-14 # arm64 
             BUILD_TYPE: Release
             CCOMPILER: clang
             CXXCOMPILER: clang++
@@ -376,7 +376,8 @@ jobs:
       OSRM_CONNECTION_EXP_BACKOFF_COEF: ${{ matrix.OSRM_CONNECTION_EXP_BACKOFF_COEF }}
     steps:
     - uses: actions/checkout@v3
-
+    - name: Build machine architecture
+      run: uname -m
     - name: Use Node.js
       uses: actions/setup-node@v3
       with:
@@ -399,9 +400,9 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ~/.conan
-        key: v7-conan-${{ matrix.name }}-${{ github.sha }}
+        key: v9-conan-${{ matrix.name }}-${{ github.sha }}
         restore-keys: |
-          v7-conan-${{ matrix.name }}-
+          v9-conan-${{ matrix.name }}-
     - name: Enable test cache
       uses: actions/cache@v3
       with:
@@ -430,7 +431,7 @@ jobs:
 
     - name: Install dev dependencies
       run: |
-        python3 -m pip install "conan<2.0.0"
+        python3 -m pip install "conan<2.0.0" "numpy" --break-system-packages
 
         # workaround for issue that GitHub Actions seems to not adding it to PATH after https://github.com/actions/runner-images/pull/6499
         # and that's why CI cannot find conan executable installed above
@@ -493,16 +494,6 @@ jobs:
         echo "Using ${JOBS} jobs"
         pushd ${OSRM_BUILD_DIR}
 
-        # handle Apple Silicon cross compilation
-        if [[ "${ENABLE_APPLE_SILICON}" == "ON" ]]; then
-          ARCH=arm64
-          TARGET="${ARCH}-apple-darwin"
-          CFLAGS="$CFLAGS --target=$TARGET"
-          CXXFLAGS="$CXXFLAGS --target=$TARGET"
-          APPLE_SILICON_FLAGS=(-DCMAKE_C_COMPILER_TARGET="$TARGET" -DCMAKE_CXX_COMPILER_TARGET="$TARGET" -DCMAKE_SYSTEM_PROCESSOR="${ARCH}" -DCMAKE_SYSTEM_NAME="Darwin" -DCMAKE_C_FLAGS="$CFLAGS" -DCMAKE_CXX_FLAGS="$CXXFLAGS")
-        else
-          APPLE_SILICON_FLAGS=()
-        fi
 
         cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
                  -DENABLE_CONAN=${ENABLE_CONAN:-OFF} \
@@ -514,12 +505,10 @@ jobs:
                  -DENABLE_SANITIZER=${ENABLE_SANITIZER:-OFF} \
                  -DBUILD_TOOLS=${BUILD_TOOLS:-OFF} \
                  -DENABLE_CCACHE=ON \
-                 -DCMAKE_INSTALL_PREFIX=${OSRM_INSTALL_DIR} \
-                 "${APPLE_SILICON_FLAGS[@]}"
-
+                 -DCMAKE_INSTALL_PREFIX=${OSRM_INSTALL_DIR}
         make --jobs=${JOBS}
 
-        if [[ "${NODE_PACKAGE_TESTS_ONLY}" != "ON" && "${ENABLE_APPLE_SILICON}" != "ON" ]]; then
+        if [[ "${NODE_PACKAGE_TESTS_ONLY}" != "ON" ]]; then
           make tests --jobs=${JOBS}
           make benchmarks --jobs=${JOBS}
           ccache -s
@@ -531,14 +520,14 @@ jobs:
         fi
         popd
     - name: Build example
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY != 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY != 'ON' }}
       run: |
         mkdir example/build && pushd example/build
         cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
         make --jobs=${JOBS}
         popd
     - name: Run all tests
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY != 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY != 'ON' }}
       run: |
         make -C test/data benchmark
 
@@ -567,32 +556,32 @@ jobs:
         popd
 
     - name: Use Node 18
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       uses: actions/setup-node@v3
       with:
         node-version: 18
     - name: Run Node package tests on Node 18
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       run: |
         node --version
         npm run nodejs-tests
     - name: Use Node 20
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       uses: actions/setup-node@v3
       with:
         node-version: 20
     - name: Run Node package tests on Node 20
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       run: |
         node --version
         npm run nodejs-tests
     - name: Use Node latest
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       uses: actions/setup-node@v3
       with:
         node-version: latest
     - name: Run Node package tests on Node-latest
-      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' && matrix.ENABLE_APPLE_SILICON != 'ON' }}
+      if: ${{ matrix.NODE_PACKAGE_TESTS_ONLY == 'ON' }}
       run: |
         node --version
         npm run nodejs-tests
diff --git a/CMakeLists.txt b/CMakeLists.txt
index deff32848..555d52fc1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -330,7 +330,7 @@ if(ENABLE_CONAN)
 
   conan_check(REQUIRED)
 
-  set(CONAN_BOOST_VERSION "1.79.0@#96e4902111a2e343a8ba0aa95391bb58")
+  set(CONAN_BOOST_VERSION "1.85.0@#14265ec82b25d91305bbb3b30d3357f8")
   set(CONAN_BZIP2_VERSION "1.0.8@#d1b2d5816f25865acf978501dff1f897")
   set(CONAN_EXPAT_VERSION "2.2.10@#916908d4a570ad839edd25322c3268cd")
   set(CONAN_LUA_VERSION "5.4.4@#3ec62efc37cd0a5d80b9e5cb35277360")