diff --git a/ci/before_deploy.sh b/ci/before_deploy.sh
index cc374a7..ab4426d 100644
--- a/ci/before_deploy.sh
+++ b/ci/before_deploy.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # This script takes care of building your crate and packaging it for release
 
 set -ex
diff --git a/ci/install.sh b/ci/install.sh
index 748ad9a..317a401 100644
--- a/ci/install.sh
+++ b/ci/install.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 set -ex
 
 main() {
diff --git a/ci/script.sh b/ci/script.sh
index ddd7f93..686ec6d 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # This script takes care of testing your crate
 
 set -ex