diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d00002..1ae4975 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: "3.9"
+          python-version: "3.11"
           cache: pip
           cache-dependency-path: |
             requirements/base.txt
@@ -29,9 +29,9 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@main
-      - name: Set up Python 3.9
+      - name: Set up Python 3.11
         uses: actions/setup-python@v1
         with:
-          python-version: "3.9"
+          python-version: "3.11"
       - run: pip install -r requirements/local.txt
       - run: python -m pytest ds-caselaw-ingester/tests.py
diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..2c07333
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.11
diff --git a/Makefile b/Makefile
index 8789b4e..3e46a99 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,5 @@
 build:
-	@mkdir -p dist
-	@STATIC_DEPS=true python3 -m pip install -t package -r requirements/base.txt
-	@rm dist/lambda.zip & 2>&1
-	@cd package && zip -r ../dist/lambda.zip * && cd ..
-	@zip -g dist/lambda.zip ds-caselaw-ingester/lambda_function.py
-	@echo 'Built dist/lambda.zip'
+	samlocal build --use-container -m requirements/base.txt
 
 ifeq (setup,$(firstword $(MAKECMDGOALS)))
   # use the rest as arguments for "setup"
diff --git a/docker-compose.yml b/docker-compose.yml
index f9e04a0..9ba459c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,8 +1,6 @@
-version: "3.8"
-
 services:
   localstack:
-    image: localstack/localstack
+    image: localstack/localstack:2.3.2
     network_mode: bridge
     environment:
       SERVICES: lambda,sns,s3,sqs,iam
diff --git a/scripts/setup-localstack.sh b/scripts/setup-localstack.sh
index d1120b3..0437031 100755
--- a/scripts/setup-localstack.sh
+++ b/scripts/setup-localstack.sh
@@ -8,7 +8,7 @@ awslocal lambda create-function \
   --function-name te-lambda \
   --zip-file fileb://dist/lambda.zip \
   --handler ds-caselaw-ingester/lambda_function.handler \
-  --runtime python3.9 \
+  --runtime python3.11 \
   --environment "Variables={MARKLOGIC_HOST=$MARKLOGIC_HOST,MARKLOGIC_USER=$MARKLOGIC_USER,MARKLOGIC_PASSWORD=$MARKLOGIC_PASSWORD,AWS_BUCKET_NAME=$AWS_BUCKET_NAME,AWS_SECRET_KEY=$AWS_SECRET_KEY,AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID,AWS_ENDPOINT_URL=$AWS_ENDPOINT_URL,SQS_QUEUE_URL=$SQS_QUEUE_URL,ROLLBAR_TOKEN=$ROLLBAR_TOKEN,ROLLBAR_ENV=$ROLLBAR_ENV,NOTIFY_API_KEY=$NOTIFY_API_KEY,NOTIFY_EDITORIAL_ADDRESS=$NOTIFY_EDITORIAL_ADDRESS,NOTIFY_NEW_JUDGMENT_TEMPLATE_ID=$NOTIFY_NEW_JUDGMENT_TEMPLATE_ID,EDITORIAL_UI_BASE_URL=$EDITORIAL_UI_BASE_URL,PUBLIC_ASSET_BUCKET=$PUBLIC_ASSET_BUCKET}" \
   --role arn:aws:iam::000000000000:role/lambda-role \
 
@@ -19,7 +19,7 @@ awslocal sns create-topic \
 awslocal sns subscribe \
   --topic-arn arn:aws:sns:us-east-1:000000000000:judgments \
   --protocol lambda \
-  --notification-endpoint arn:aws:lambda:us-east-1:000000000000:function:te-lambda
+  --notification-endpoint arn:aws:lambda:eu-west-2:000000000000:function:ds-caselaw-ingester-TNACaselawIngesterFuncti-b824e251
 
 awslocal s3api create-bucket \
   --bucket te-editorial-out-int
diff --git a/scripts/update-lambda.sh b/scripts/update-lambda.sh
index b6eabe8..627c2ee 100755
--- a/scripts/update-lambda.sh
+++ b/scripts/update-lambda.sh
@@ -1,6 +1,6 @@
 source .env
 
-awslocal lambda update-function-code --function-name te-lambda --zip-file fileb://dist/lambda.zip
+samlocal deploy --no-confirm-changeset --no-fail-on-empty-changeset --stack-name ds-caselaw-ingester --resolve-s3 --capabilities CAPABILITY_IAM --region us-east-1
 
-awslocal lambda update-function-configuration --function-name te-lambda \
+awslocal lambda update-function-configuration --function-name te-lambda --region=us-east-1 \
     --environment "Variables={MARKLOGIC_HOST=$MARKLOGIC_HOST,MARKLOGIC_USER=$MARKLOGIC_USER,MARKLOGIC_PASSWORD=$MARKLOGIC_PASSWORD,AWS_BUCKET_NAME=$AWS_BUCKET_NAME,AWS_SECRET_KEY=$AWS_SECRET_KEY,AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID,AWS_ENDPOINT_URL=$AWS_ENDPOINT_URL,SQS_QUEUE_URL=$SQS_QUEUE_URL,ROLLBAR_TOKEN=$ROLLBAR_TOKEN,ROLLBAR_ENV=$ROLLBAR_ENV,NOTIFY_API_KEY=$NOTIFY_API_KEY,NOTIFY_EDITORIAL_ADDRESS=$NOTIFY_EDITORIAL_ADDRESS,NOTIFY_NEW_JUDGMENT_TEMPLATE_ID=$NOTIFY_NEW_JUDGMENT_TEMPLATE_ID,EDITORIAL_UI_BASE_URL=$EDITORIAL_UI_BASE_URL,PUBLIC_ASSET_BUCKET=$PUBLIC_ASSET_BUCKET}"
diff --git a/template.yml b/template.yml
index 573f78b..95df7fa 100644
--- a/template.yml
+++ b/template.yml
@@ -1,4 +1,4 @@
-AWSTemplateFormatVersion: '2010-09-09'
+AWSTemplateFormatVersion: "2010-09-09"
 Transform: AWS::Serverless-2016-10-31
 Description: >
   ds-caselaw-ingester
@@ -16,7 +16,7 @@ Resources:
     Properties:
       CodeUri: ds-caselaw-ingester/
       Handler: lambda_function.handler
-      Runtime: python3.9
+      Runtime: python3.11
       Architectures:
         - x86_64