diff --git a/roles/chart-testing/tasks/main.yaml b/roles/chart-testing/tasks/main.yaml
index cf283bc98c..1baa28361d 100644
--- a/roles/chart-testing/tasks/main.yaml
+++ b/roles/chart-testing/tasks/main.yaml
@@ -4,3 +4,4 @@
     ct lint {{ chart_testing_options }}
   args:
     chdir: "{{ zuul_work_dir }}"
+    executable: /bin/bash