diff --git a/LICENSE-MIT b/LICENSE-MIT
index 39d4bdb5..78061811 100644
--- a/LICENSE-MIT
+++ b/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2014 The Rust Project Developers
+Copyright (c) 2014-2020 The Rust Project Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/ci/android-install-ndk.sh b/ci/android-install-ndk.sh
index a55b6fe7..71dd5bbb 100644
--- a/ci/android-install-ndk.sh
+++ b/ci/android-install-ndk.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env sh
+
 set -ex
 
 NDK=android-ndk-r19c
diff --git a/ci/android-install-sdk.sh b/ci/android-install-sdk.sh
index 8033cf22..42a39702 100644
--- a/ci/android-install-sdk.sh
+++ b/ci/android-install-sdk.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env sh
+
 set -ex
 
 # Prep the SDK and emulator
diff --git a/ci/android-sysimage.sh b/ci/android-sysimage.sh
index af36f7fe..b0b5e903 100644
--- a/ci/android-sysimage.sh
+++ b/ci/android-sysimage.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 set -ex
 
 URL=https://dl.google.com/android/repository/sys-img/android
diff --git a/ci/emscripten-entry.sh b/ci/emscripten-entry.sh
index 49664f59..e91b4019 100755
--- a/ci/emscripten-entry.sh
+++ b/ci/emscripten-entry.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 set -ex
 
 # shellcheck disable=SC1091
diff --git a/ci/emscripten.sh b/ci/emscripten.sh
index 80928660..2e87130e 100644
--- a/ci/emscripten.sh
+++ b/ci/emscripten.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 set -ex
 
 hide_output() {