diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 318b984a1..2871f9a4b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -294,7 +294,7 @@ jobs:
         run: |
           ./install_deps.sh
           mkdir build && cd build
-          cmake  -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
+          cmake -DMAC_ARM64=ON -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
           CC=gcc-8 make -j $(sysctl -n hw.ncpu)
           ls -la
 
@@ -363,7 +363,7 @@ jobs:
         run: |
           ./install_deps.sh
           mkdir build && cd build
-          cmake  -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
+          cmake -DNITRO_VERSION=${{ needs.set-nitro-version.outputs.version }} .. 
           CC=gcc-8 make -j $(sysctl -n hw.ncp)
           ls -la
 
@@ -423,7 +423,7 @@ jobs:
           mkdir -p nitro/engines/cortex.llamacpp/
           ls ./nitro-mac-amd64
           lipo -create ./nitro-mac-amd64/nitro ./nitro-mac-arm64/nitro -output ./nitro/nitro
-          lipo -create ./nitro-mac-amd64/engines/cortex.llamacpp/libengine.dylib ./nitro-mac-arm64/engines/cortex.llamacpp/libengine.dylib -output ./nitro/engines/cortex.llamacpp/libengine.dylib
+          lipo -create ./nitro-mac-amd64/engines/cortex.llamacpp/libengine.dylib ./nitro-mac-arm64/engines/cortex.llamacpp/libengine.dylib ./nitro/engines/cortex.llamacpp/libengine.dylib
           cp ./nitro-mac-arm64/ggml-metal.metal ./nitro/ggml-metal.metal
           tar -czvf nitro.tar.gz nitro
 
diff --git a/cortex-cpp/engines/cortex.llamacpp/engine.cmake b/cortex-cpp/engines/cortex.llamacpp/engine.cmake
index 4b879a1ca..be7df6b12 100644
--- a/cortex-cpp/engines/cortex.llamacpp/engine.cmake
+++ b/cortex-cpp/engines/cortex.llamacpp/engine.cmake
@@ -1,52 +1,62 @@
-set(LIBLLAMA_ENGINE_VERSION v1.0)
+# cortex.llamacpp release version
+set(VERSION 0.1.0)
+set(ENGINE_VERSION v${VERSION})
 
-# Download library based on instruction 
-# TODO(sang) correct library name when cortex.llamacpp CI is done
+# MESSAGE("ENGINE_VERSION=" ${ENGINE_VERSION})
+
+# Download library based on instructions 
 if(UNIX AND NOT APPLE) 
   if(CUDA_12_0) 
-    set(LIBRARY_NAME linux-amd64-cuda-12-0.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-cuda-12-0.tar.gz)
   elseif(CUDA_11_7)
-    set(LIBRARY_NAME linux-amd64-cuda-11-7.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-cuda-11-7.tar.gz)
   elseif(LLAMA_VULKAN)
-    set(LIBRARY_NAME linux-amd64-vulkan.tar.gz)
-  elseif(DLLAMA_AVX512)
-    set(LIBRARY_NAME linux-amd64-avx512.tar.gz)
-  elseif(DLLAMA_AVX2)
-    set(LIBRARY_NAME linux-amd64-avx2.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-vulkan.tar.gz)
+  elseif(LLAMA_AVX512)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx512.tar.gz)
+  elseif(NOT LLAMA_AVX2)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx.tar.gz)
   else()
-    set(LIBRARY_NAME linux-amd64-avx.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-linux-amd64-avx2.tar.gz)
   endif()
 elseif(UNIX)
-  set(LIBRARY_NAME mac-universal.tar.gz)
+  if(MAC_ARM64) 
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-mac-arm64.tar.gz)
+  else()
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-mac-amd64.tar.gz)
+  endif()
 else()
   if(CUDA_12_0)
-    if(DLLAMA_AVX512)  
-      set(LIBRARY_NAME win-amd64-avx512-cuda-12-0.tar.gz)
-    elseif(DLLAMA_AVX2)
-      set(LIBRARY_NAME win-amd64-avx2-cuda-12-0.tar.gz)
+    if(LLAMA_AVX512)  
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512-cuda-12-0.tar.gz)
+    elseif(NOT LLAMA_AVX2)
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx-cuda-12-0.tar.gz)
     else()
-      set(LIBRARY_NAME win-amd64-avx-cuda-12-0.tar.gz)
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2-cuda-12-0.tar.gz)
     endif()
   elseif(CUDA_11_7)
-    if(DLLAMA_AVX512)  
-      set(LIBRARY_NAME win-amd64-avx512-cuda-11-7.tar.gz)
-    elseif(DLLAMA_AVX2)
-      set(LIBRARY_NAME win-amd64-avx2-cuda-11-7.tar.gz)
+    if(LLAMA_AVX512)  
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512-cuda-11-7.tar.gz)
+    elseif(NOT LLAMA_AVX2)
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx-cuda-11-7.tar.gz)
     else()
-      set(LIBRARY_NAME win-amd64-avx-cuda-11-7.tar.gz)
+      set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2-cuda-11-7.tar.gz)
     endif()
   elseif(LLAMA_VULKAN)
-    set(LIBRARY_NAME win-amd64-vulkan.tar.gz)
-  elseif(DLLAMA_AVX512)
-    set(LIBRARY_NAME win-amd64-avx512.tar.gz)
-  elseif(DLLAMA_AVX2)
-    set(LIBRARY_NAME win-amd64-avx2.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-vulkan.tar.gz)
+  elseif(LLAMA_AVX512)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx512.tar.gz)
+  elseif(NOT LLAMA_AVX2)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx.tar.gz)
   else()
-    set(LIBRARY_NAME win-amd64-avx.tar.gz)
+    set(LIBRARY_NAME cortex.llamacpp-${VERSION}-windows-amd64-avx2.tar.gz)
   endif()
 endif()
 
-set(LIBLLAMA_ENGINE_URL https://github.com/.../releases/download/${LIBLLAMA_ENGINE_VERSION}/${LIBRARY_NAME})
+
+set(LIBLLAMA_ENGINE_URL https://github.com/janhq/cortex.llamacpp/releases/download/${ENGINE_VERSION}/${LIBRARY_NAME})
+# MESSAGE("LIBLLAMA_ENGINE_URL="${LIBLLAMA_ENGINE_URL})
+# MESSAGE("LIBARRY_NAME=" ${LIBRARY_NAME})
 
 set(LIBLLAMA_ENGINE_PATH ${CMAKE_BINARY_DIR}/engines/${LIBRARY_NAME})