diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 84f3cda83a5fa11b5d86e1e92cac0783033b5b90..48ad20b3394637cdc939f786fb3061f12a0d3d79 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,9 @@
 name: Build
 
+defaults:
+  run:
+    shell: bash
+
 env:
   CI: true