diff --git a/.github/workflows/tests-integration.yml b/.github/workflows/tests-integration.yml
index 6d72a2f..0b02878 100644
--- a/.github/workflows/tests-integration.yml
+++ b/.github/workflows/tests-integration.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [20.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -33,4 +33,4 @@ jobs:
           use-installer: true
 
       - run: sam build --use-container
-      - run: sam deploy --no-confirm-changeset --no-fail-on-empty-changeset --stack-name aws-lambda-power-tuning-gh-${GITHUB_REF_NAME/\//-} --s3-bucket ${{ secrets.AWS_S3_BUCKET }} --capabilities CAPABILITY_IAM --region ${{ secrets.AWS_REGION }}
\ No newline at end of file
+      - run: sam deploy --no-confirm-changeset --no-fail-on-empty-changeset --stack-name aws-lambda-power-tuning-gh-${GITHUB_REF_NAME/\//-} --s3-bucket ${{ secrets.AWS_S3_BUCKET }} --capabilities CAPABILITY_IAM --region ${{ secrets.AWS_REGION }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 78ba99a..69c7511 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [15.x, 16.x, 17.x, 18.x, 19.x]
+        node-version: [15.x, 16.x, 17.x, 18.x, 19.x, 20.x]
     steps:
       - uses: actions/checkout@v3
       - name: Use Node.js ${{ matrix.node-version }}
@@ -24,4 +24,4 @@ jobs:
       - name: Coveralls
         uses: coverallsapp/github-action@v1
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/template.yml b/template.yml
index aa6a339..cce0e81 100644
--- a/template.yml
+++ b/template.yml
@@ -73,7 +73,7 @@ Conditions:
 
 Globals:
   Function:
-    Runtime: nodejs16.x
+    Runtime: nodejs20.x
     MemorySize: 128
     Timeout: !Ref totalExecutionTimeout
     PermissionsBoundary: !If [UsePermissionsBoundary, !Ref permissionsBoundary, !Ref AWS::NoValue]
@@ -98,11 +98,11 @@ Resources:
       Description: AWS SDK 2.1134.0
       ContentUri: ./layer-sdk
       CompatibleRuntimes:
-        - nodejs16.x
+        - nodejs20.x
       LicenseInfo: 'Available under the MIT-0 license.'
       RetentionPolicy: Retain
     Metadata:
-      BuildMethod: nodejs16.x
+      BuildMethod: nodejs20.x
 
   initializerLogGroup:
     Type: AWS::Logs::LogGroup
diff --git a/terraform/module/lambda.tf b/terraform/module/lambda.tf
index f8f91bd..40d9c4f 100644
--- a/terraform/module/lambda.tf
+++ b/terraform/module/lambda.tf
@@ -13,7 +13,7 @@ resource "aws_lambda_function" "analyzer" {
   # source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
   source_code_hash = data.archive_file.app.output_base64sha256
 
-  runtime = "nodejs16.x"
+  runtime = "nodejs20.x"
 
   dynamic "vpc_config" {
     for_each = var.vpc_subnet_ids != null && var.vpc_security_group_ids != null ? [true] : []
@@ -50,7 +50,7 @@ resource "aws_lambda_function" "cleaner" {
   # source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
   source_code_hash = data.archive_file.app.output_base64sha256
 
-  runtime = "nodejs16.x"
+  runtime = "nodejs20.x"
 
   dynamic "vpc_config" {
     for_each = var.vpc_subnet_ids != null && var.vpc_security_group_ids != null ? [true] : []
@@ -87,7 +87,7 @@ resource "aws_lambda_function" "executor" {
   # source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
   source_code_hash = data.archive_file.app.output_base64sha256
 
-  runtime = "nodejs16.x"
+  runtime = "nodejs20.x"
 
   dynamic "vpc_config" {
     for_each = var.vpc_subnet_ids != null && var.vpc_security_group_ids != null ? [true] : []
@@ -124,7 +124,7 @@ resource "aws_lambda_function" "initializer" {
   # source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
   source_code_hash = data.archive_file.app.output_base64sha256
 
-  runtime = "nodejs16.x"
+  runtime = "nodejs20.x"
 
   dynamic "vpc_config" {
     for_each = var.vpc_subnet_ids != null && var.vpc_security_group_ids != null ? [true] : []
@@ -161,7 +161,7 @@ resource "aws_lambda_function" "optimizer" {
   # source_code_hash = "${base64sha256(file("lambda_function_payload.zip"))}"
   source_code_hash = data.archive_file.app.output_base64sha256
 
-  runtime = "nodejs16.x"
+  runtime = "nodejs20.x"
 
   dynamic "vpc_config" {
     for_each = var.vpc_subnet_ids != null && var.vpc_security_group_ids != null ? [true] : []
@@ -190,7 +190,7 @@ resource "aws_lambda_layer_version" "lambda_layer" {
   layer_name  = "AWS-SDK-v2_1134_0"
   description = "AWS SDK 2.1134.0"
   compatible_architectures = ["x86_64"]
-  compatible_runtimes = ["nodejs16.x"]
+  compatible_runtimes = ["nodejs20.x"]
 
   depends_on = [data.archive_file.layer]
 }