diff --git a/Makefile b/Makefile
index 75c1946..140ff3c 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ pretest:
 	npm install --prefix _/amazon/handlers puppeteer-core@latest --bin-links=false --fund=false --omit=optional --omit=dev --package-lock=false --save=false
 
 test:
-	sam local invoke --template _/amazon/template.yml --event _/amazon/events/example.com.json node16
+	sam local invoke --template _/amazon/template.yml --event _/amazon/events/example.com.json node18
 
 .fonts.zip:
 	zip -9 --filesync --move --recurse-paths .fonts.zip .fonts/
diff --git a/_/amazon/template.yml b/_/amazon/template.yml
index 12e6aa5..86b6da7 100644
--- a/_/amazon/template.yml
+++ b/_/amazon/template.yml
@@ -14,6 +14,7 @@ Resources:
         CompatibleRuntimes:
           - nodejs14.x
           - nodejs16.x
+          - nodejs18.x
 
   node14:
     Type: AWS::Serverless::Function