diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 86536f5..e7a90b5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -54,7 +54,6 @@ jobs:
     strategy:
       matrix:
         node-version:
-          - 16
           - 18
           - 20
     steps:
diff --git a/README.md b/README.md
index 88a25b0..da9de55 100644
--- a/README.md
+++ b/README.md
@@ -341,7 +341,7 @@ console.log(value)
 
 ## Compatibility
 
-This project is compatible with Node.js 16 or greater. It’s compatible with `mermaid` code blocks
+This project is compatible with Node.js 18 or greater. It’s compatible with `mermaid` code blocks
 processed by [`remark-rehype`](https://github.com/remarkjs/remark-rehype). This means it’s also
 compatible with [MDX](https://mdxjs.com).