diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index ddddcae65..d7eb355b1 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest, macos-latest, ubuntu-20.04]
+        os: [windows-2019, macos-latest, ubuntu-20.04]
     steps:
       - name: Install Ubuntu build dependencies.
         if: startsWith(matrix.os, 'ubuntu')