diff --git a/README.md b/README.md
index 899444b..879ad45 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Development
 =====
 
 Requirements:
-- Node v18
+- Node v20
 
 ### Getting Started
 
diff --git a/app.yaml b/app.yaml
index 0b6afde..92c91ab 100644
--- a/app.yaml
+++ b/app.yaml
@@ -1,3 +1,3 @@
 # https://cloud.google.com/appengine/docs/standard/nodejs/runtime
 
-runtime: nodejs18
+runtime: nodejs20