diff --git a/APIGateway/API-Canary-SFN-Lambda/cfn/Apigw-Sfn-Lambda.template.yaml b/APIGateway/API-Canary-SFN-Lambda/cfn/Apigw-Sfn-Lambda.template.yaml
index 97ed1396..17ef21ee 100644
--- a/APIGateway/API-Canary-SFN-Lambda/cfn/Apigw-Sfn-Lambda.template.yaml
+++ b/APIGateway/API-Canary-SFN-Lambda/cfn/Apigw-Sfn-Lambda.template.yaml
@@ -79,7 +79,7 @@ Resources:
       Handler: index.lambda_handler
       MemorySize: 1024
       Role: !GetAtt LambdaExecutionRole.Arn
-      Runtime: python3.8
+      Runtime: python3.12
       Timeout: 900
       TracingConfig:
         Mode: !Ref FunctionTracingConfigMode
@@ -156,7 +156,7 @@ Resources:
       Handler: index.lambda_handler
       MemorySize: 1024
       Role: !GetAtt LambdaExecutionRole.Arn
-      Runtime: python3.8
+      Runtime: python3.12
       Timeout: 900
       TracingConfig:
         Mode: !Ref FunctionTracingConfigMode
diff --git a/Lambda/cfn/Lambda-Init.template.yaml b/Lambda/cfn/Lambda-Init.template.yaml
index 79119780..a37a716e 100644
--- a/Lambda/cfn/Lambda-Init.template.yaml
+++ b/Lambda/cfn/Lambda-Init.template.yaml
@@ -41,7 +41,7 @@ Resources:
       Handler: index.lambda_handler
       MemorySize: 1024
       Role: !GetAtt LambdaExecutionRole.Arn
-      Runtime: python3.8
+      Runtime: python3.12
       Timeout: 30
       TracingConfig:
         Mode: Active
diff --git a/Workspaces/cfn/unhealthy-workspaces-cloudwatch-alarms.yaml b/Workspaces/cfn/unhealthy-workspaces-cloudwatch-alarms.yaml
index 412999de..6fdae74d 100644
--- a/Workspaces/cfn/unhealthy-workspaces-cloudwatch-alarms.yaml
+++ b/Workspaces/cfn/unhealthy-workspaces-cloudwatch-alarms.yaml
@@ -63,7 +63,7 @@ Resources:
     Properties:
       FunctionName: UnhealthyWorkSpacesAlert
       Handler: index.lambda_handler
-      Runtime: python3.8
+      Runtime: python3.12
       MemorySize: 1024
       Timeout: 900
       Code: