diff --git a/.tools/README.md b/.tools/README.md
index 7e2f516829b..5db274ddf6f 100644
--- a/.tools/README.md
+++ b/.tools/README.md
@@ -67,7 +67,7 @@ Python 3.8
 - [PEP 586](http://www.python.org/dev/peps/pep-0586), Literal types.
 - [PEP 589](http://www.python.org/dev/peps/pep-0589), TypedDict.
 
-Python 3.7
+Python 3.9
 
 - [PEP 557](http://www.python.org/dev/peps/pep-0557), Data Classes.
 
diff --git a/.tools/test/stacks/plugin/python/consumer_stack/consumer_stack.py b/.tools/test/stacks/plugin/python/consumer_stack/consumer_stack.py
index cc66ec1625a..4991243fa34 100644
--- a/.tools/test/stacks/plugin/python/consumer_stack/consumer_stack.py
+++ b/.tools/test/stacks/plugin/python/consumer_stack/consumer_stack.py
@@ -178,7 +178,7 @@ def init_batch_lambda(self, job_queue, job_definition):
         function = _lambda.Function(
             self,
             f"SubmitBatchJob-{tool_name}",
-            runtime=_lambda.Runtime.PYTHON_3_8,
+            runtime=_lambda.Runtime.PYTHON_3_9,
             handler="submit_job.handler",
             role=execution_role,
             code=_lambda.Code.from_asset("lambda"),
@@ -301,7 +301,7 @@ def init_log_function(self, admin_bucket_name):
         lambda_function = _lambda.Function(
             self,
             "BatchJobCompleteLambda",
-            runtime=_lambda.Runtime.PYTHON_3_8,
+            runtime=_lambda.Runtime.PYTHON_3_9,
             handler="export_logs.handler",
             role=execution_role,
             code=_lambda.Code.from_asset("lambda"),
diff --git a/.tools/test/stacks/plugin/typescript/plugin_stack.ts b/.tools/test/stacks/plugin/typescript/plugin_stack.ts
index a182f13f3f2..33d6b341dbe 100644
--- a/.tools/test/stacks/plugin/typescript/plugin_stack.ts
+++ b/.tools/test/stacks/plugin/typescript/plugin_stack.ts
@@ -192,7 +192,7 @@ class PluginStack extends cdk.Stack {
     );
 
     return new lambda.Function(this, `SubmitBatchJob-${toolName}`, {
-      runtime: lambda.Runtime.PYTHON_3_8,
+      runtime: lambda.Runtime.PYTHON_3_9,
       handler: "submit_job.handler",
       code: lambda.Code.fromAsset("lambda"),
       environment: {
@@ -314,7 +314,7 @@ class PluginStack extends cdk.Stack {
 
     // Define the Lambda function.
     const lambdaFunction = new lambda.Function(this, "BatchJobCompleteLambda", {
-      runtime: lambda.Runtime.PYTHON_3_8,
+      runtime: lambda.Runtime.PYTHON_3_9,
       handler: "export_logs.handler",
       role: executionRole,
       code: lambda.Code.fromAsset("lambda"),
diff --git a/cpp/example_code/lambda/get_started_with_functions_scenario.cpp b/cpp/example_code/lambda/get_started_with_functions_scenario.cpp
index aeea20be9e7..a9a16991636 100644
--- a/cpp/example_code/lambda/get_started_with_functions_scenario.cpp
+++ b/cpp/example_code/lambda/get_started_with_functions_scenario.cpp
@@ -188,7 +188,7 @@ bool AwsDoc::Lambda::getStartedWithFunctionsScenario(
 #error "Unimplemented architecture"
 #endif // defined(architecture)
 #else
-        request.SetRuntime(Aws::Lambda::Model::Runtime::python3_8);
+        request.SetRuntime(Aws::Lambda::Model::Runtime::python3_9);
 #endif
         request.SetRole(roleArn);
         request.SetHandler(LAMBDA_HANDLER_NAME);
diff --git a/gov2/lambda/actions/functions.go b/gov2/lambda/actions/functions.go
index 55ff0bc461e..332c261d2c5 100644
--- a/gov2/lambda/actions/functions.go
+++ b/gov2/lambda/actions/functions.go
@@ -62,7 +62,7 @@ func (wrapper FunctionWrapper) CreateFunction(ctx context.Context, functionName
 		Role:         iamRoleArn,
 		Handler:      aws.String(handlerName),
 		Publish:      true,
-		Runtime:      types.RuntimePython38,
+		Runtime:      types.RuntimePython39,
 	})
 	if err != nil {
 		var resConflict *types.ResourceConflictException
diff --git a/python/cross_service/apigateway_covid-19_tracker/README.md b/python/cross_service/apigateway_covid-19_tracker/README.md
index 100fcc67c52..5fa5f937632 100644
--- a/python/cross_service/apigateway_covid-19_tracker/README.md
+++ b/python/cross_service/apigateway_covid-19_tracker/README.md
@@ -24,7 +24,7 @@ tutorials in the
 - You must have an AWS account, and have your default credentials and AWS Region
   configured as described in the [AWS Tools and SDKs Shared Configuration and
   Credentials Reference Guide](https://docs.aws.amazon.com/credref/latest/refdocs/creds-config-files.html).
-- Python 3.7 or later
+- Python 3.9 or later
 - An Amazon S3 bucket
 
 ## Cautions
diff --git a/python/cross_service/aurora_rest_lending_library/README.md b/python/cross_service/aurora_rest_lending_library/README.md
index 81584547b18..11f7fb9bcf4 100644
--- a/python/cross_service/aurora_rest_lending_library/README.md
+++ b/python/cross_service/aurora_rest_lending_library/README.md
@@ -19,7 +19,7 @@ and out of the database.
 - You must have an AWS account, and have your default credentials and AWS Region
   configured as described in the [AWS Tools and SDKs Shared Configuration and
   Credentials Reference Guide](https://docs.aws.amazon.com/credref/latest/refdocs/creds-config-files.html).
-- Python 3.7 or later
+- Python 3.9 or later
 
 ## Cautions
 
diff --git a/python/cross_service/stepfunctions_messenger/README.md b/python/cross_service/stepfunctions_messenger/README.md
index e0d6080c590..0034c6587f7 100644
--- a/python/cross_service/stepfunctions_messenger/README.md
+++ b/python/cross_service/stepfunctions_messenger/README.md
@@ -18,7 +18,7 @@ integrations.
 - You must have an AWS account, and have your default credentials and AWS Region
   configured as described in the [AWS Tools and SDKs Shared Configuration and
   Credentials Reference Guide](https://docs.aws.amazon.com/credref/latest/refdocs/creds-config-files.html).
-- Python 3.7 or later
+- Python 3.9 or later
 - Boto3 1.14.47 or later
 - PyTest 5.3.5 or later (to run unit tests)
 
diff --git a/python/example_code/dynamodb/README.md b/python/example_code/dynamodb/README.md
index ba6dfeff760..0853a0648a6 100644
--- a/python/example_code/dynamodb/README.md
+++ b/python/example_code/dynamodb/README.md
@@ -152,7 +152,7 @@ The tutorial shows you how to set up the following additional resources:
 - A VPC from Amazon Virtual Private Cloud (Amazon VPC)
 - A DAX cluster set up in your VPC 
 - An EC2 instance running in your VPC with the following installed:
-    - Python 3.7 or later
+    - Python 3.9 or later
     - Boto3 1.11.10 or later
     - Amazon DAX Client for Python 1.1.7 or later
 
diff --git a/python/example_code/greengrass/README.md b/python/example_code/greengrass/README.md
index 0bc29981dc5..87feff26e4c 100644
--- a/python/example_code/greengrass/README.md
+++ b/python/example_code/greengrass/README.md
@@ -14,7 +14,7 @@ and are not intended to be used out of context.
 - You must have an AWS account, and have your default credentials and AWS Region
   configured as described in the [AWS Tools and SDKs Shared Configuration and
   Credentials Reference Guide](https://docs.aws.amazon.com/credref/latest/refdocs/creds-config-files.html).
-- Python 3.7
+- Python 3.9
 - GreengrassSdk 1.6.0 or later
 - PyTest 5.3.5 or later (to run unit tests)
 
diff --git a/python/example_code/lambda/lambda_basics.py b/python/example_code/lambda/lambda_basics.py
index 7708963f447..f94e5cadcd0 100644
--- a/python/example_code/lambda/lambda_basics.py
+++ b/python/example_code/lambda/lambda_basics.py
@@ -160,7 +160,7 @@ def create_function(
             response = self.lambda_client.create_function(
                 FunctionName=function_name,
                 Description="AWS Lambda doc example",
-                Runtime="python3.8",
+                Runtime="python3.9",
                 Role=iam_role.arn,
                 Handler=handler_name,
                 Code={"ZipFile": deployment_package},
diff --git a/python/example_code/s3/file_transfer/README.md b/python/example_code/s3/file_transfer/README.md
index f8a5f50aaf8..10fc127d21b 100644
--- a/python/example_code/s3/file_transfer/README.md
+++ b/python/example_code/s3/file_transfer/README.md
@@ -39,7 +39,7 @@ amount of data at any time, from anywhere on the web.*
 - You must have an AWS account, and have your default credentials and AWS Region
   configured as described in the [AWS Tools and SDKs Shared Configuration and
   Credentials Reference Guide](https://docs.aws.amazon.com/credref/latest/refdocs/creds-config-files.html).
-- Python 3.7 or later
+- Python 3.9 or later
 - Boto3 1.11.10 or later
 - PyTest 5.3.5 or later (to run unit tests)
 
diff --git a/python/example_code/s3/s3_versioning/batch_versioning.py b/python/example_code/s3/s3_versioning/batch_versioning.py
index d77d03fff0a..4d3d833f7b0 100644
--- a/python/example_code/s3/s3_versioning/batch_versioning.py
+++ b/python/example_code/s3/s3_versioning/batch_versioning.py
@@ -185,7 +185,7 @@ def create_lambda_function(
         response = custom_retry(
             lambda: aws_lambda.create_function(
                 FunctionName=function_name,
-                Runtime="python3.8",
+                Runtime="python3.9",
                 Role=iam_role.arn,
                 Handler=handler,
                 Code={
diff --git a/resources/cdk/python_example_code_apigateway_websocket/setup.ts b/resources/cdk/python_example_code_apigateway_websocket/setup.ts
index 7a48c57c227..69a14d81fc6 100644
--- a/resources/cdk/python_example_code_apigateway_websocket/setup.ts
+++ b/resources/cdk/python_example_code_apigateway_websocket/setup.ts
@@ -9,7 +9,7 @@
 //     * An AWS Identity and Access Management (IAM) role and policy that grants
 //       AWS Lambda permission to access the DynamoDB table and have basic rights to
 //       run functions.
-//     * A Lambda function that runs on Python 3.7 and has an environment variable
+//     * A Lambda function that runs on Python 3.9 and has an environment variable
 //       that contains the DynamoDB table name. The function code is updated as part
 //       of the example.
 //
@@ -64,7 +64,7 @@ export class SetupStack extends cdk.Stack {
     );
 
     const fn = new Function(this, "doc-example-apigateway-websocket-connect", {
-      runtime: Runtime.PYTHON_3_7,
+      runtime: Runtime.PYTHON_3_9,
       handler: "lambda_chat.lambda_handler",
       code: Code.fromInline(
         "# This placeholder is replaced during code example deployment."
diff --git a/resources/cdk/python_example_code_stepfunctions_demo/setup.ts b/resources/cdk/python_example_code_stepfunctions_demo/setup.ts
index c9b912103e1..b928c81b5d0 100644
--- a/resources/cdk/python_example_code_stepfunctions_demo/setup.ts
+++ b/resources/cdk/python_example_code_stepfunctions_demo/setup.ts
@@ -66,7 +66,7 @@ export class SetupStack extends cdk.Stack {
       this,
       "doc-example-stepfunctions-scan-messages",
       {
-        runtime: Runtime.PYTHON_3_7,
+        runtime: Runtime.PYTHON_3_9,
         handler: "index.lambda_handler",
         code: Code.fromInline(
           "import boto3\n" +
diff --git a/sap-abap/services/lambda/zcl_aws1_lmd_actions.clas.testclasses.abap b/sap-abap/services/lambda/zcl_aws1_lmd_actions.clas.testclasses.abap
index 89ddfa7618b..dfd415fde9d 100644
--- a/sap-abap/services/lambda/zcl_aws1_lmd_actions.clas.testclasses.abap
+++ b/sap-abap/services/lambda/zcl_aws1_lmd_actions.clas.testclasses.abap
@@ -299,7 +299,7 @@ CLASS ltc_zcl_aws1_lmd_actions IMPLEMENTATION.
 
     DATA(lo_result) = ao_lmd_actions->update_function_configuration(
         iv_function_name = cv_function_name
-        iv_runtime = `python3.8`
+        iv_runtime = `python3.9`
         iv_memory_size = 150
      ).
 
@@ -321,7 +321,7 @@ CLASS ltc_zcl_aws1_lmd_actions IMPLEMENTATION.
     ).
 
     cl_abap_unit_assert=>assert_equals(
-      exp = `python3.8`
+      exp = `python3.9`
       act = lo_result->get_runtime( )
       msg = |Function's runtime did not match expected value |
     ).