diff --git a/content/design-patterns/ex8streams/Step3.en.md b/content/design-patterns/ex8streams/Step3.en.md
index 35954dff..836a1d7f 100644
--- a/content/design-patterns/ex8streams/Step3.en.md
+++ b/content/design-patterns/ex8streams/Step3.en.md
@@ -22,7 +22,7 @@ Now, run the following command to create the Lambda function.
 ```bash
 aws lambda create-function \
 --function-name ddbreplica_lambda --zip-file fileb://ddbreplica_lambda.zip \
---handler ddbreplica_lambda.lambda_handler --timeout 60 --runtime python3.7 \
+--handler ddbreplica_lambda.lambda_handler --timeout 60 --runtime python3.10 \
 --description "Sample lambda function for dynamodb streams" \
 --role $(cat ~/workshop/ddb-replication-role-arn.txt)
 ```
diff --git a/event-driven/event-driven-cfn.yaml b/event-driven/event-driven-cfn.yaml
index fa137fc9..5a80704b 100644
--- a/event-driven/event-driven-cfn.yaml
+++ b/event-driven/event-driven-cfn.yaml
@@ -82,7 +82,7 @@ Resources:
       Handler: "lambda_function.lambda_handler"
       MemorySize: 256
       Role: !Sub "arn:aws:iam::${AWS::AccountId}:role/StateLambdaRole"
-      Runtime: "python3.8"
+      Runtime: "python3.10"
       Timeout: 180
       TracingConfig:
         Mode: "PassThrough"
@@ -99,7 +99,7 @@ Resources:
       Handler: "lambda_function.lambda_handler"
       MemorySize: 256
       Role: !Sub "arn:aws:iam::${AWS::AccountId}:role/MapLambdaRole"
-      Runtime: "python3.8"
+      Runtime: "python3.10"
       Timeout: 60
       TracingConfig:
         Mode: "PassThrough"
@@ -116,7 +116,7 @@ Resources:
       Handler: "lambda_function.lambda_handler"
       MemorySize: 256
       Role: !Sub "arn:aws:iam::${AWS::AccountId}:role/ReduceLambdaRole"
-      Runtime: "python3.8"
+      Runtime: "python3.10"
       Timeout: 30
       TracingConfig:
         Mode: "PassThrough"
@@ -133,7 +133,7 @@ Resources:
       Handler: "lambda_function.lambda_handler"
       MemorySize: 256
       Role: !Sub "arn:aws:iam::${AWS::AccountId}:role/GeneratorLambdaRole"
-      Runtime: "python3.8"
+      Runtime: "python3.10"
       Timeout: 55
       TracingConfig:
         Mode: "PassThrough"