diff --git a/activated.sh b/activated.sh
index d44208f37845..7a938f7b0701 100755
--- a/activated.sh
+++ b/activated.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 set -o errexit
 
diff --git a/tools/run_benchmark.sh b/tools/run_benchmark.sh
index 4f3c9f83e15c..f3389f8aa52d 100755
--- a/tools/run_benchmark.sh
+++ b/tools/run_benchmark.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 # pass in the name of the test run as the first argument