diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 113d651..af87e80 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Set up WSL
         uses: Vampire/setup-wsl@v1.2.0
         with:
-          distribution: Ubuntu
+          distribution: Ubuntu-20.04
       - name: Set up MSBuild
         uses: microsoft/setup-msbuild@v1.1
         with: