diff --git a/.github/workflows/desktop-manual-build.yml b/.github/workflows/desktop-manual-build.yml
index 18d0edf..0d6b393 100644
--- a/.github/workflows/desktop-manual-build.yml
+++ b/.github/workflows/desktop-manual-build.yml
@@ -188,7 +188,12 @@ jobs:
 
       - name: Build desktop artifact
         shell: bash
-        run: npm --prefix packages/desktop run dist -- ${{ needs.validate.outputs.electron_target }} ${MAC_BUILD_EXTRA_ARGS:-} --publish never
+        run: |
+          if [ "${{ needs.validate.outputs.target_os }}" = "darwin" ]; then
+            ulimit -n 10240 || true
+            echo "File descriptor limit: $(ulimit -n)"
+          fi
+          npm --prefix packages/desktop run dist -- ${{ needs.validate.outputs.electron_target }} ${MAC_BUILD_EXTRA_ARGS:-} --publish never
 
       - name: Upload workflow artifact
         uses: actions/upload-artifact@v4
diff --git a/.github/workflows/desktop-release.yml b/.github/workflows/desktop-release.yml
index 821d3bb..c52f673 100644
--- a/.github/workflows/desktop-release.yml
+++ b/.github/workflows/desktop-release.yml
@@ -153,7 +153,12 @@ jobs:
 
       - name: Build desktop artifact
         shell: bash
-        run: npm --prefix packages/desktop run dist -- ${{ matrix.electron_target }} ${MAC_BUILD_EXTRA_ARGS:-} --publish never
+        run: |
+          if [ "${{ matrix.target_os }}" = "darwin" ]; then
+            ulimit -n 10240 || true
+            echo "File descriptor limit: $(ulimit -n)"
+          fi
+          npm --prefix packages/desktop run dist -- ${{ matrix.electron_target }} ${MAC_BUILD_EXTRA_ARGS:-} --publish never
 
       - name: Upload macOS update manifest artifact
         if: matrix.target_os == 'darwin'