diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7670fd9a..8ed52365 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
           cache: 'maven'
       - name: Set up CI environment
         run: .github/setup.sh
+        shell: bash
       - name: Execute the build
         run: .github/build.sh
         shell: bash