diff --git a/lambda_functions/v1/Dockerfile b/lambda_functions/v1/Dockerfile
index f209f088..e949e2da 100644
--- a/lambda_functions/v1/Dockerfile
+++ b/lambda_functions/v1/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-slim-buster
+FROM python:3.10-slim-buster
 WORKDIR /var/www/lambda_functions/v1
 
 # Install Python Dependencies
diff --git a/lambda_functions/v1/Dockerfile-tests b/lambda_functions/v1/Dockerfile-tests
index 1e3d774a..b27fa731 100644
--- a/lambda_functions/v1/Dockerfile-tests
+++ b/lambda_functions/v1/Dockerfile-tests
@@ -1,4 +1,4 @@
-FROM python:3.8.17-slim-buster
+FROM python:3.10-slim-buster
 ARG FUNCTION_DIR="lpa_data/lambda_functions/v1"
 
 # Create function directory
diff --git a/lambda_functions/v1/requirements/dev-requirements.txt b/lambda_functions/v1/requirements/dev-requirements.txt
index 6534c25e..f6312906 100644
--- a/lambda_functions/v1/requirements/dev-requirements.txt
+++ b/lambda_functions/v1/requirements/dev-requirements.txt
@@ -1,15 +1,15 @@
-connexion==2.7.0
-fakeredis==1.4.5
+connexion==2.14.2
+fakeredis==2.21.3
 flake8==3.8.4
 flake8-quotes==3.2.0
 hypothesis==6.0.0
-moto~=4.1
-pytest==6.2.1
-pytest-cov==2.10.1
-pytest-env==0.6.2
-pytest-html==3.1.1
-tenacity==6.3.1
-validators==0.18.2
-yarl==1.6.3
-importlib-metadata==4.13.0
+moto~=4.2.3
+pytest==7.4.4
+pytest-cov==4.1.0
+pytest-env==1.1.3
+pytest-html==4.1.1
+tenacity==8.2.3
+validators==0.23.1
+yarl==1.9.4
+importlib-metadata==7.0.2
 opg-sirius-service==2.1.1
diff --git a/lambda_functions/v1/requirements/pact-requirements.txt b/lambda_functions/v1/requirements/pact-requirements.txt
index 3e193d77..a1c5dd66 100644
--- a/lambda_functions/v1/requirements/pact-requirements.txt
+++ b/lambda_functions/v1/requirements/pact-requirements.txt
@@ -1,3 +1,3 @@
-connexion==2.7.0
+connexion==2.14.2
 swagger-ui-bundle
 requests
diff --git a/lambda_functions/v1/requirements/requirements.txt b/lambda_functions/v1/requirements/requirements.txt
index d78b1be9..04a27cd7 100644
--- a/lambda_functions/v1/requirements/requirements.txt
+++ b/lambda_functions/v1/requirements/requirements.txt
@@ -1,7 +1,7 @@
 #Update this date to trigger update of layers: 20230619
-Flask==2.2.5
+Flask==3.0.2
 markupsafe==2.1.1
-localstack-client==1.39
+localstack-client==2.5
 redis==4.4.4
 requests==2.31.0
 Werkzeug==3.0.1
diff --git a/mock_sirius_backend/Dockerfile b/mock_sirius_backend/Dockerfile
index c6030e53..84e4476f 100644
--- a/mock_sirius_backend/Dockerfile
+++ b/mock_sirius_backend/Dockerfile
@@ -1,5 +1,5 @@
 # our base image
-FROM python:3.8-slim
+FROM python:3.10-slim
 
 WORKDIR /var/www/
 COPY requirements.txt .
diff --git a/terraform/environment/modules/lambda/lambda.tf b/terraform/environment/modules/lambda/lambda.tf
index f83c03ea..e39ddf8e 100644
--- a/terraform/environment/modules/lambda/lambda.tf
+++ b/terraform/environment/modules/lambda/lambda.tf
@@ -13,7 +13,7 @@ resource "aws_lambda_function" "lambda_function" {
   function_name    = local.lambda
   role             = aws_iam_role.lambda_role.arn
   handler          = var.handler
-  runtime          = "python3.8"
+  runtime          = "python3.10"
   timeout          = 15
   depends_on       = [aws_cloudwatch_log_group.lambda]
   layers           = [aws_lambda_layer_version.lambda_layer.arn]
@@ -58,7 +58,7 @@ resource "aws_lambda_layer_version" "lambda_layer" {
   source_code_hash = data.archive_file.lambda_layer_archive.output_base64sha256
   layer_name       = "lpa_requirements_${var.environment}"
 
-  compatible_runtimes = ["python3.8"]
+  compatible_runtimes = ["python3.10"]
 
   lifecycle {
     ignore_changes = [