diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000000..8b3ed1b235
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+16.19.1
diff --git a/README.md b/README.md
index 55345ccd33..eaf61bf16e 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,12 @@ or use [`rbenv`](https://github.com/rbenv/rbenv) to automatically select the cor
    For non-containerized development, run:
 
    ```bash
+   # Check that you have Xcode Command Line Tools installed - required to build dependencies
+   xcode-select -p
+
+   # If not, install them
+   xcode-select --install
+
    # Install dependencies
    bin/setup