diff --git a/README.md b/README.md
index 753fade..b9e02b2 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ Install the required dependencies, this assumes you are running Debian 10
 echo "deb http://storage.googleapis.com/bazel-apt stable jdk1.8" | \
   sudo tee /etc/apt/sources.list.d/bazel.list
 wget -qO - https://bazel.build/bazel-release.pub.gpg | sudo apt-key add -
+sudo apt-get update
 sudo apt-get install -qy python-typing python-clang-7 libclang-7-dev
 sudo apt-get install -qy build-essential linux-libc-dev bazel
 ```