diff --git a/scripts/download-all-canister-wasms.sh b/scripts/download-all-canister-wasms.sh
index 9eeafaff0d..e69af5dc0a 100755
--- a/scripts/download-all-canister-wasms.sh
+++ b/scripts/download-all-canister-wasms.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT=$(readlink -f "$0")
 SCRIPT_DIR=$(dirname "$SCRIPT")
diff --git a/scripts/download-canister-wasm.sh b/scripts/download-canister-wasm.sh
index f5c5e03c22..1cf866175f 100755
--- a/scripts/download-canister-wasm.sh
+++ b/scripts/download-canister-wasm.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT=$(readlink -f "$0")
 SCRIPT_DIR=$(dirname "$SCRIPT")
@@ -53,4 +53,4 @@ if [[ ${HTTP_CODE} -ne 200 ]] ; then
     exit 1
 fi
 
-echo "Wasm downloaded"
\ No newline at end of file
+echo "Wasm downloaded"
diff --git a/scripts/download-nns-canister-wasm.sh b/scripts/download-nns-canister-wasm.sh
index c5ab128a46..16ca4f48b1 100755
--- a/scripts/download-nns-canister-wasm.sh
+++ b/scripts/download-nns-canister-wasm.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT=$(readlink -f "$0")
 SCRIPT_DIR=$(dirname "$SCRIPT")
@@ -21,4 +21,4 @@ if [[ ${HTTP_CODE} -ne 200 ]] ; then
     exit 1
 fi
 
-echo "$CANISTER_NAME wasm downloaded"
\ No newline at end of file
+echo "$CANISTER_NAME wasm downloaded"
diff --git a/scripts/generate-all-canister-wasms.sh b/scripts/generate-all-canister-wasms.sh
index 6ada30eb40..c3240ad153 100755
--- a/scripts/generate-all-canister-wasms.sh
+++ b/scripts/generate-all-canister-wasms.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT=$(readlink -f "$0")
 SCRIPT_DIR=$(dirname "$SCRIPT")
diff --git a/scripts/generate-wasm.sh b/scripts/generate-wasm.sh
index cedd0f1efd..6e07d1208c 100755
--- a/scripts/generate-wasm.sh
+++ b/scripts/generate-wasm.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 SCRIPT=$(readlink -f "$0")
 SCRIPT_DIR=$(dirname "$SCRIPT")