diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bccb4d6..fd67ded 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -249,6 +249,9 @@ jobs:
       run: |
         cp scripts/build_win_ffmpeg.sh -v ./ || exit 1
         ./build_win_ffmpeg.sh || exit 1
+    - name: Download certs
+      run: |
+        CALL scripts\download_resource.bat -o "clib\ssl\cert.pem" https://curl.se/ca/cacert.pem || exit 1
     - name: Build
       run: |
         SET PKG_CONFIG_PATH=%CD%\clib\lib\pkgconfig