diff --git a/extensions/inference-cortex-extension/bin/version.txt b/extensions/inference-cortex-extension/bin/version.txt
index 52da540830..27fbad4566 100644
--- a/extensions/inference-cortex-extension/bin/version.txt
+++ b/extensions/inference-cortex-extension/bin/version.txt
@@ -1 +1 @@
-1.0.3-rc5
\ No newline at end of file
+1.0.4-rc1
\ No newline at end of file
diff --git a/extensions/inference-cortex-extension/download.bat b/extensions/inference-cortex-extension/download.bat
index 1ab14a03cd..7d9a9213ae 100644
--- a/extensions/inference-cortex-extension/download.bat
+++ b/extensions/inference-cortex-extension/download.bat
@@ -2,12 +2,11 @@
 set BIN_PATH=./bin
 set SHARED_PATH=./../../electron/shared
 set /p CORTEX_VERSION=<./bin/version.txt
-set ENGINE_VERSION=0.1.39
+set ENGINE_VERSION=0.1.40
 
 @REM Download cortex.llamacpp binaries
-set VERSION=v0.1.39
-set DOWNLOAD_URL=https://github.com/janhq/cortex.llamacpp/releases/download/%VERSION%/cortex.llamacpp-0.1.39-windows-amd64
-set CUDA_DOWNLOAD_URL=https://github.com/janhq/cortex.llamacpp/releases/download/%VERSION%
+set DOWNLOAD_URL=https://github.com/janhq/cortex.llamacpp/releases/download/v%ENGINE_VERSION%/cortex.llamacpp-%ENGINE_VERSION%-windows-amd64
+set CUDA_DOWNLOAD_URL=https://github.com/janhq/cortex.llamacpp/releases/download/v%ENGINE_VERSION%
 set SUBFOLDERS=windows-amd64-noavx-cuda-12-0 windows-amd64-noavx-cuda-11-7 windows-amd64-avx2-cuda-12-0 windows-amd64-avx2-cuda-11-7 windows-amd64-noavx windows-amd64-avx windows-amd64-avx2 windows-amd64-avx512 windows-amd64-vulkan
 
 call .\node_modules\.bin\download -e --strip 1 -o %BIN_PATH% https://github.com/janhq/cortex.cpp/releases/download/v%CORTEX_VERSION%/cortex-%CORTEX_VERSION%-windows-amd64.tar.gz
diff --git a/extensions/inference-cortex-extension/download.sh b/extensions/inference-cortex-extension/download.sh
index aa09d67491..f62e5961b6 100755
--- a/extensions/inference-cortex-extension/download.sh
+++ b/extensions/inference-cortex-extension/download.sh
@@ -2,7 +2,7 @@
 
 # Read CORTEX_VERSION
 CORTEX_VERSION=$(cat ./bin/version.txt)
-ENGINE_VERSION=0.1.39
+ENGINE_VERSION=0.1.40
 CORTEX_RELEASE_URL="https://github.com/janhq/cortex.cpp/releases/download"
 ENGINE_DOWNLOAD_URL="https://github.com/janhq/cortex.llamacpp/releases/download/v${ENGINE_VERSION}/cortex.llamacpp-${ENGINE_VERSION}"
 CUDA_DOWNLOAD_URL="https://github.com/janhq/cortex.llamacpp/releases/download/v${ENGINE_VERSION}"
@@ -42,8 +42,8 @@ elif [ "$OS_TYPE" == "Darwin" ]; then
     chmod +x "./bin/cortex-server"
 
     # Download engines for macOS
-    download "${ENGINE_DOWNLOAD_URL}-mac-arm64.tar.gz" -e --strip 1 -o "${SHARED_PATH}/engines/cortex.llamacpp/mac-arm64/v0.1.39"
-    download "${ENGINE_DOWNLOAD_URL}-mac-amd64.tar.gz" -e --strip 1 -o "${SHARED_PATH}/engines/cortex.llamacpp/mac-amd64/v0.1.39"
+    download "${ENGINE_DOWNLOAD_URL}-mac-arm64.tar.gz" -e --strip 1 -o "${SHARED_PATH}/engines/cortex.llamacpp/mac-arm64/v${ENGINE_VERSION}"
+    download "${ENGINE_DOWNLOAD_URL}-mac-amd64.tar.gz" -e --strip 1 -o "${SHARED_PATH}/engines/cortex.llamacpp/mac-amd64/v${ENGINE_VERSION}"
 
 else
     echo "Unsupported operating system: $OS_TYPE"
diff --git a/extensions/inference-cortex-extension/rollup.config.ts b/extensions/inference-cortex-extension/rollup.config.ts
index 00fae78ba7..2843868697 100644
--- a/extensions/inference-cortex-extension/rollup.config.ts
+++ b/extensions/inference-cortex-extension/rollup.config.ts
@@ -120,7 +120,7 @@ export default [
         DEFAULT_SETTINGS: JSON.stringify(defaultSettingJson),
         CORTEX_API_URL: JSON.stringify('http://127.0.0.1:39291'),
         CORTEX_SOCKET_URL: JSON.stringify('ws://127.0.0.1:39291'),
-        CORTEX_ENGINE_VERSION: JSON.stringify('v0.1.39'),
+        CORTEX_ENGINE_VERSION: JSON.stringify('v0.1.40'),
       }),
       // Allow json resolution
       json(),