diff --git a/test/basic/run.sh b/test/basic/run.sh
index 8f8457f..c9d5ade 100755
--- a/test/basic/run.sh
+++ b/test/basic/run.sh
@@ -1,2 +1,2 @@
-#!/bin/sh
+#!/bin/bash
 source ../lib/runner.sh
diff --git a/test/lex/run.sh b/test/lex/run.sh
index 0dc63aa..42da475 100755
--- a/test/lex/run.sh
+++ b/test/lex/run.sh
@@ -1,3 +1,3 @@
-#!/bin/sh
+#!/bin/bash
 NO_SEPARATE_TBS=1
 source ../lib/runner.sh
diff --git a/test/lib/runner.sh b/test/lib/runner.sh
index 5c2f16b..a204757 100644
--- a/test/lib/runner.sh
+++ b/test/lib/runner.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT_DIR=`dirname "${BASH_SOURCE[0]}"`
 SV2V="$SCRIPT_DIR/../../bin/sv2v"
diff --git a/test/relong/run.sh b/test/relong/run.sh
index 8f8457f..c9d5ade 100755
--- a/test/relong/run.sh
+++ b/test/relong/run.sh
@@ -1,2 +1,2 @@
-#!/bin/sh
+#!/bin/bash
 source ../lib/runner.sh
diff --git a/test/run-all.sh b/test/run-all.sh
index cf9a227..8db7cfc 100755
--- a/test/run-all.sh
+++ b/test/run-all.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 cd `dirname "${BASH_SOURCE[0]}"`