diff --git a/CMakeLists.txt b/CMakeLists.txt
index f891a1a0c2..9f78df0be1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.1)
 
-# See https://cmake.org/cmake/help/v3.3/policy/CMP0057.html
-# required by certain versions of gtest
+# See https://cmake.org/cmake/help/v3.3/policy/CMP0057.html required by certain
+# versions of gtest
 cmake_policy(SET CMP0057 NEW)
 
 project(opentelemetry-cpp)
diff --git a/WORKSPACE b/WORKSPACE
index 83ef873ce6..10b3c20457 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -20,6 +20,7 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 # Only needed for tests, not to build the OpenTelemetry library.
 http_archive(
     name = "com_google_googletest",
+    sha256 = "9dc9157a9a1551ec7a7e43daea9a694a0bb5fb8bec81235d8a1e6ef64c716dcb",
     strip_prefix = "googletest-release-1.10.0",
     urls = ["https://github.com/google/googletest/archive/release-1.10.0.tar.gz"],
 )
diff --git a/ci/install_gcc48.sh b/ci/install_gcc48.sh
index a9cf380b29..c076d97402 100755
--- a/ci/install_gcc48.sh
+++ b/ci/install_gcc48.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
 set -e
-apt-get update 
+apt-get update
 apt-get install --no-install-recommends --no-install-suggests -y \
   g++-4.8
diff --git a/ci/setup_ci_environment.sh b/ci/setup_ci_environment.sh
index 13ad19d89b..56be9af1f3 100755
--- a/ci/setup_ci_environment.sh
+++ b/ci/setup_ci_environment.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 set -e
-apt-get update 
+apt-get update
 apt-get install --no-install-recommends --no-install-suggests -y \
                 build-essential \
                 ca-certificates \
diff --git a/tools/setup-buildtools-mac.sh b/tools/setup-buildtools-mac.sh
index 335fd8e3e4..b74c727df4 100644
--- a/tools/setup-buildtools-mac.sh
+++ b/tools/setup-buildtools-mac.sh
@@ -5,7 +5,7 @@
 # control of the brew dirs. That causes the brew update to fail.
 # Temporarily allow the user to take over control of brew files.
 
-echo *** 
+echo ***
 echo *** You may need to enter your admin password to update the brew files:
 echo ***