diff --git a/.github/workflows/msi.yml b/.github/workflows/msi.yml
new file mode 100644
index 0000000..3bafa2c
--- /dev/null
+++ b/.github/workflows/msi.yml
@@ -0,0 +1,32 @@
+name: MSI
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build CLI
+        run: cargo build --release
+
+      - name: Build Desktop
+        run: cargo build --release --features desktop --bin cagire-desktop
+
+      - name: Install cargo-wix
+        run: cargo install cargo-wix
+
+      - name: Build MSI
+        run: cargo wix --no-build --nocapture --package cagire -C -p -C x64
+
+      - name: Upload MSI
+        uses: actions/upload-artifact@v4
+        with:
+          name: cagire-msi
+          path: target/wix/*.msi
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7bb2400..96c4cda 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -149,7 +149,7 @@ jobs:
 
       - name: Build MSI installer (Windows)
         if: runner.os == 'Windows'
-        run: cargo wix --no-build --nocapture -C -p -C x64
+        run: cargo wix --no-build --nocapture --package cagire -C -p -C x64
 
       - name: Upload MSI installer (Windows)
         if: runner.os == 'Windows'
diff --git a/scripts/build-all.sh b/scripts/build-all.sh
index b66d47b..fc0087a 100755
--- a/scripts/build-all.sh
+++ b/scripts/build-all.sh
@@ -330,7 +330,7 @@ copy_artifacts() {
     # MSI installer for Windows targets
     if [[ "$os" == "windows" ]] && command -v cargo-wix &>/dev/null; then
         echo "    Building MSI installer..."
-        cargo wix --no-build --nocapture -C -p -C x64
+        cargo wix --no-build --nocapture --package cagire -C -p -C x64
         cp target/wix/*.msi "$OUT/" 2>/dev/null && echo "    MSI -> $OUT/" || true
     fi