diff --git a/action.yml b/action.yml
index ca14074..a5c4948 100644
--- a/action.yml
+++ b/action.yml
@@ -7,3 +7,4 @@ runs:
         git clone https://github.com/mach-kernel/cadius /tmp/cadius &&
         make -C /tmp/cadius &&
         sudo make -C /tmp/cadius install
+      shell: bash