diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b7dfad6..691fc97b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -297,7 +297,9 @@ jobs:
         key: ${{ runner.os }}-dependencies
     - name: dependencies
       if: steps.cache-dependencies.outputs.cache-hit != 'true'
-      run: vcpkg.exe install libflac libvorbis soxr opus boost-asio --triplet x64-windows
+      run: |
+        vcpkg.exe update
+        vcpkg.exe --triplet x64-windows install libflac libvorbis soxr opus boost-asio
     - name: configure
       run: |
         echo vcpkg installation root: ${env:VCPKG_INSTALLATION_ROOT}