diff --git a/.gitea/workflows/desktop.yml b/.gitea/workflows/desktop.yml
index 6ba4a67..6bac8c3 100644
--- a/.gitea/workflows/desktop.yml
+++ b/.gitea/workflows/desktop.yml
@@ -265,6 +265,7 @@ jobs:
             libavfilter-dev \
             libavformat-dev \
             libavutil-dev \
+            libcbor-dev \
             libdbus-1-dev \
             libdav1d-dev \
             libde265-dev \
@@ -309,6 +310,52 @@ jobs:
             zlib1g-dev \
             zstd
 
+      - name: Install modern libfido2
+        shell: bash
+        run: |
+          set -euxo pipefail
+
+          rm -rf /tmp/libfido2
+
+          git clone \
+            --depth 1 \
+            --branch 1.17.0 \
+            https://github.com/Yubico/libfido2.git \
+            /tmp/libfido2
+
+          cmake \
+            -S /tmp/libfido2 \
+            -B /tmp/libfido2/build \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=/usr/local \
+            -DCMAKE_INSTALL_LIBDIR=lib/x86_64-linux-gnu \
+            -DBUILD_EXAMPLES=OFF \
+            -DBUILD_MANPAGES=OFF \
+            -DBUILD_TOOLS=OFF
+
+          cmake \
+            --build /tmp/libfido2/build \
+            --parallel "$(nproc)"
+
+          cmake \
+            --install /tmp/libfido2/build
+
+          ldconfig
+
+          echo "=== libfido2 ==="
+
+          PKG_CONFIG_PATH="/usr/local/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig" \
+            pkg-config --modversion libfido2
+
+          test -f /usr/local/include/fido/es384.h
+
+          ls -la /usr/local/include/fido/
+
+          echo "=== libraries ==="
+
+          find /usr/local/lib \
+            -name 'libfido2*' \
+            -print
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -440,13 +487,48 @@ jobs:
         shell: bash
         env:
           ELECTRON_ARCH: x64
+          PKG_CONFIG_PATH: /usr/local/lib/x86_64-linux-gnu/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfig
+          LD_LIBRARY_PATH: /usr/local/lib/x86_64-linux-gnu:/usr/local/lib
         run: |
           set -euxo pipefail
 
+          echo "libfido2 version:"
+          pkg-config --modversion libfido2
+
+          echo "libfido2 include flags:"
+          pkg-config --cflags libfido2
+
+          echo "Checking ES384 header:"
+          test -f /usr/local/include/fido/es384.h
+
           cd fluxer-src
 
           pnpm --filter fluxer_desktop build
 
+      - name: Inspect Linux native libraries
+        shell: bash
+        run: |
+          set -euxo pipefail
+
+          cd fluxer-src
+
+          echo "Searching for WebAuthn native module..."
+
+          find fluxer_desktop \
+            -type f \
+            \( -name '*.node' -o -name 'libfido2.so*' \) \
+            -print
+
+          echo "Dynamic dependencies:"
+
+          while IFS= read -r file; do
+            echo "===== $file ====="
+            ldd "$file" || true
+          done < <(
+            find fluxer_desktop \
+              -type f \
+              -name '*.node'
+          )
 
       - name: Package Linux
         shell: bash