diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d2353e92..de03ed1e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -261,7 +261,7 @@ jobs:
         npm prefix -g | % {npm config set node_gyp "$_\node_modules\node-gyp\bin\node-gyp.js"}
 
     - name: Build
-      shell: bash
+      shell: powershell
       run: |
         npm i -g yarn@1.19.1
         yarn --network-timeout 1000000