aws-powertools · leandrodamascena · Mar 25, 2025 · Mar 25, 2025
@@ -67,10 +67,10 @@ You can install Powertools for AWS Lambda (Python) using your favorite dependenc
 
     For the latter, make sure to replace `{region}` with your AWS region, e.g., `eu-west-1`, and the `{python_version}` without the period (.), e.g., `python313` for `Python 3.13`.
 
-    | Architecture | Layer ARN                                                                                                 |
-    | ------------ | --------------------------------------------------------------------------------------------------------- |
-    | x86_64          | __arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-{python_version}-x86_64:7__{: .copyMe}:clipboard:       |
-    | ARM          | __arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-{python_version}-arm64:7__{: .copyMe}:clipboard: |
+    | Architecture | Layer ARN                                                                                                                     |
+    | ------------ | ----------------------------------------------------------------------------------------------------------------------------- |
+    | x86_64       | __arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-{python_version}-x86_64:7__{: .copyMe}:clipboard: |
+    | ARM          | __arn:aws:lambda:{region}:017000801446:layer:AWSLambdaPowertoolsPythonV3-{python_version}-arm64:7__{: .copyMe}:clipboard:  |
 
     === "AWS Console"
 
@@ -234,12 +234,12 @@ You can install Powertools for AWS Lambda (Python) using your favorite dependenc
 
     We provide a SAR App that deploys a CloudFormation stack with a copy of our Lambda Layer in your AWS account and region.
 
-    Compared with the [public Layer ARN](#lambda-layer) option, the advantage is being able to use a semantic version.
+    Compared with the [public Layer ARN](#lambda-layer) option, the advantage is being able to use a semantic version. Make sure to replace `{python_version}` without the period (.), e.g., `python313` for `Python 3.13`.
 
-    | App                                                                                                                                                                                 |     |     | ARN                                                                                                                           |
-    | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --- | --- | ----------------------------------------------------------------------------------------------------------------------------- |
-    | [**aws-lambda-powertools-python-layer**](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer){target="_blank"}             |     |     | __arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer__{: .copyMe}:clipboard:       |
-    | [**aws-lambda-powertools-python-layer-arm64**](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-arm64){target="_blank"} |     |     | __arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-arm64__{: .copyMe}:clipboard: |
+    | App | ARN | Architecture |
+    | --- | --- | ------------ |
+    | aws-lambda-powertools-python-layer-v3-{python_version}-x86-64 | arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-{python_version}-x86-64 | X86_64 |
+    | aws-lambda-powertools-python-layer-v3-{python_version}-arm64 | arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-{python_version}-arm64 | ARM64 |
 
     ??? question "Don't have enough permissions? Expand for a least-privilege IAM policy example"
 
@@ -328,10 +328,18 @@ Serverless Application Repository (SAR) App deploys a CloudFormation stack with
 
 Compared with the [public Layer ARN](#lambda-
8000
layer) option, SAR allows you to choose a semantic version and deploys a Layer in your target account.
 
-| App                                                                                                                                                                                 | ARN                                                                                                                            | Description                                                           |
-| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------- |
-| [**aws-lambda-powertools-python-layer**](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer){target="_blank"}             | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer](#){: .copyMe}:clipboard:       | Contains all extra dependencies (e.g: pydantic).                      |
-| [**aws-lambda-powertools-python-layer-arm64**](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-arm64){target="_blank"} | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-arm64](#){: .copyMe}:clipboard: | Contains all extra dependencies (e.g: pydantic). For arm64 functions. |
+| App | ARN | Python version | Architecture |
+| --- | --- | -------------- | ------------ |
+| [aws-lambda-powertools-python-layer-v3-python39-x86-64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python39-x86-64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python39-x86-64](#){: .copyMe}:clipboard: | Python 3.9 | X86_64 |
+| [aws-lambda-powertools-python-layer-v3-python310-x86-64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python310-x86-64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python310-x86-64](#){: .copyMe}:clipboard: | Python 3.10 | X86_64 |
+| [aws-lambda-powertools-python-layer-v3-python311-x86-64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python11-x86-64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python311-x86-64](#){: .copyMe}:clipboard: | Python 3.11 | X86_64 |
+| [aws-lambda-powertools-python-layer-v3-python312-x86-64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python12-x86-64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python312-x86-64](#){: .copyMe}:clipboard: | Python 3.12 | X86_64 |
+| [aws-lambda-powertools-python-layer-v3-python313-x86-64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python313-x86-64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64](#){: .copyMe}:clipboard: | Python 3.13 | X86_64 |
+| [aws-lambda-powertools-python-layer-v3-python39-arm64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python39-arm64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python39-arm64](#){: .copyMe}:clipboard: | Python 3.9 | ARM64 |
+| [aws-lambda-powertools-python-layer-v3-python310-arm64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python310-arm64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python310-arm64](#){: .copyMe}:clipboard: | Python 3.10 | ARM64 |
+| [aws-lambda-powertools-python-layer-v3-python311-arm64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python11-arm64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python311-arm64](#){: .copyMe}:clipboard: | Python 3.11 | ARM64 |
+| [aws-lambda-powertools-python-layer-v3-python312-arm64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python12-arm64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python312-arm64](#){: .copyMe}:clipboard: | Python 3.12 | ARM64 |
+| [aws-lambda-powertools-python-layer-v3-python313-arm64](https://serverlessrepo.aws.amazon.com/applications/eu-west-1/057560766410/aws-lambda-powertools-python-layer-v3-python313-arm64){target="_blank"}  | [arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-arm64](#){: .copyMe}:clipboard: | Python 3.13 | ARM64 |
 
 ??? note "Click to expand and copy SAR code snippets for popular frameworks"
 
@@ -351,7 +359,7 @@ Compared with the [public Layer ARN](#lambda-layer) option, SAR allows you to ch
 
     === "CDK"
 
-        ```python hl_lines="7 16-20 23-27"
+        ```python hl_lines="8 16-20 23-27"
         --8<-- "examples/homepage/install/sar/cdk_sar.py"
         ```
 

@@ -3,9 +3,9 @@
 
 POWERTOOLS_BASE_NAME = "AWSLambdaPowertools"
 # Find latest from github.com/aws-powertools/powertools-lambda-python/releases
-POWERTOOLS_VER = "2.43.1"
+POWERTOOLS_VER = "3.0.9"
 POWERTOOLS_ARN = (
-    "arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer"
+    "arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64"
 )
 
 
@@ -31,7 +31,7 @@ def __init__(self, scope: Construct, id_: str) -> None:
         aws_lambda.Function(
             self,
             "sample-app-lambda",
-            runtime=aws_lambda.Runtime.PYTHON_3_12,
+            runtime=aws_lambda.Runtime.PYTHON_3_13,
             function_name="sample-lambda",
             code=aws_lambda.Code.from_asset("lambda"),
             handler="hello.handler",

@@ -6,13 +6,13 @@ Resources:
       Type: AWS::Serverless::Application
       Properties:
           Location:
-              ApplicationId: arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer
-              SemanticVersion: 2.43.1 # change to latest semantic version available in SAR
+              ApplicationId: arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64
+              SemanticVersion: 3.0.9 # change to latest semantic version available in SAR
 
   MyLambdaFunction:
       Type: AWS::Serverless::Function
       Properties:
-        Runtime: python3.12
+        Runtime: python3.13
         Handler: app.lambda_handler
         Layers:
             # fetch Layer ARN from SAR App stack output

@@ -33,7 +33,7 @@
                         - serverlessrepo:GetCloudFormationTemplate
                       Resource:
                         # this is arn of the Powertools for AWS Lambda (Python) SAR app
-                        - arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python312-x86_64
+                        - arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64
                     - Sid: S3AccessLayer
                       Effect: Allow
                       Action:
@@ -42,14 +42,14 @@
                         # AWS publishes to an external S3 bucket locked down to your account ID
                         # The below example is us publishing Powertools for AWS Lambda (Python)
                         # Bucket: awsserverlessrepo-changesets-plntc6bfnfj
-                        # Key: *****/arn:aws:serverlessrepo:eu-west-1:057560766410:applications-aws-lambda-powertools-python-layer-versions-1.10.2/aeeccf50-****-****-****-*********
+                        # Key: *****/arn:aws:serverlessrepo:eu-west-1:057560766410:applications-aws-lambda-powertools-python-layer-v3-python313-x86-64-3.0.9/aeeccf50-****-****-****-*********
                         - arn:aws:s3:::awsserverlessrepo-changesets-*/*
                     - Sid: GetLayerVersion
                       Effect: Allow
                       Action:
                         - lambda:PublishLayerVersion
                         - lambda:GetLayerVersion
                       Resource:
-                        - !Sub arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:layer:aws-lambda-powertools-python-layer*
+                        - !Sub arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:layer:aws-lambda-powertools-python-layer-v3*
             Roles:
             - Ref: "PowertoolsLayerIamRole"
@@ -2,7 +2,7 @@ service: powertools-lambda
 
 provider:
   name: aws
-  runtime: python3.12
+  runtime: python3.13
   region: us-east-1
 
 functions:
@@ -16,5 +16,5 @@ resources:
       Type: AWS::Serverless::Application
       Properties:
         Location:
-          ApplicationId:  arn:aws:serverlessrepo:us-east-1:057560766410:applications/aws-lambda-powertools-python-layer
-          SemanticVersion: 2.43.1
+          ApplicationId:  arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64
+          SemanticVersion: 3.0.9
@@ -21,13 +21,13 @@ resource "aws_serverlessapplicationrepository_cloudformation_stack" "deploy_sar_
 }
 
 data "aws_serverlessapplicationrepository_application" "sar_app" {
-  application_id   = "arn:aws:serverlessrepo:us-east-1:057560766410:applications/aws-lambda-powertools-python-layer"
+  application_id   = "arn:aws:serverlessrepo:eu-west-1:057560766410:applications/aws-lambda-powertools-python-layer-v3-python313-x86-64"
   semantic_version = var.aws_powertools_version
 }
 
 variable "aws_powertools_version" {
   type        = string
-  default     = "2.43.1"
+  default     = "3.0.9"
   description = "The Powertools for AWS Lambda (Python) release version"
 }