diff --git a/changelog.md b/changelog.md
index 6b574e7..591dd74 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,15 @@
 
 ---
 
+## [2.0.0] 2024-02-05
+
+### Changed
+
+- Updated Lambda base runtime to Node.js 20.x
+- Updated dependencies
+
+---
+
 ## [1.2.0] 2023-04-10
 
 ### Added
diff --git a/package.json b/package.json
index 4359d06..7f9cda5 100644
--- a/package.json
+++ b/package.json
@@ -21,17 +21,17 @@
     "src/*"
   ],
   "dependencies": {
-    "@types/aws-lambda": "^8.10.129",
-    "esbuild": "^0.19.8",
+    "@types/aws-lambda": "^8.10.133",
+    "esbuild": "^0.20.0",
     "source-map-support": "^0.5.21"
   },
   "devDependencies": {
-    "@architect/architect": "^10.16.3",
+    "@architect/architect": "^11.0.2",
     "@architect/eslint-config": "^2.1.2",
     "cross-env": "^7.0.3",
-    "eslint": "^8.54.0",
+    "eslint": "^8.56.0",
     "tap-arc": "^1.2.2",
-    "tape": "^5.7.2",
+    "tape": "^5.7.4",
     "tiny-json-http": "^7.5.1"
   },
   "eslintConfig": {
diff --git a/readme.md b/readme.md
index d67c07f..df993c5 100644
--- a/readme.md
+++ b/readme.md
@@ -79,7 +79,7 @@ The following higher-level settings are also available in your Architect project
 - `esbuild-config` - add arbitrary [esbuild configuration](https://esbuild.github.io/api/) options
   - Value is a relative path to a CJS file that exports an object of esbuild options; these options will be passed to the build
   - Any options that conflict with this plugin's defaults will be ignored
-- `base-runtime` - set a different base Node.js version; defaults to `nodejs16.x`
+- `base-runtime` - set a different base Node.js version; defaults to `nodejs20.x`
   - See [the list of Lambda-supported Node runtimes](https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html)
 
 Example:
diff --git a/src/index.js b/src/index.js
index 6520fda..4440f33 100644
--- a/src/index.js
+++ b/src/index.js
@@ -17,7 +17,7 @@ module.exports = {
     runtimes: function ({ inventory }) {
       let { arc } = inventory.inv._project
       let build = '.build'
-      let baseRuntime = 'nodejs16.x'
+      let baseRuntime = 'nodejs20.x'
       if (arc.typescript) {
         let settings = Object.fromEntries(arc.typescript)
         if (settings.build && typeof settings.build === 'string') {
diff --git a/test/integration/base-runtime-test.js b/test/integration/base-runtime-test.js
index 6e9a5d9..494a5e0 100644
--- a/test/integration/base-runtime-test.js
+++ b/test/integration/base-runtime-test.js
@@ -22,8 +22,8 @@ test('Inventory + SAM runtime config', async t => {
   t.plan(4)
   let inv = await inventory({ rawArc: arcFile, deployStage: 'staging' })
   let sam = pkg(inv)
-  t.equal(inv.inv.http[0].config.runtimeConfig.baseRuntime, 'nodejs16.x', 'Default Inventory runtime is Node.js 16')
-  t.equal(sam.Resources.GetOkHTTPLambda.Properties.Runtime, 'nodejs16.x', 'Default SAM runtime is Node 16')
+  t.equal(inv.inv.http[0].config.runtimeConfig.baseRuntime, 'nodejs20.x', 'Default Inventory runtime is Node.js 16')
+  t.equal(sam.Resources.GetOkHTTPLambda.Properties.Runtime, 'nodejs20.x', 'Default SAM runtime is Node 16')
 
   arcFile += [ '\n', '@typescript', 'base-runtime nodejs18.x' ].join('\n')
   inv = await inventory({ rawArc: arcFile, deployStage: 'staging' })