diff --git a/config/aws/lambda/template_params.yaml b/config/aws/lambda/template_params.yaml
index 375eb0dd..197738f5 100644
--- a/config/aws/lambda/template_params.yaml
+++ b/config/aws/lambda/template_params.yaml
@@ -215,7 +215,7 @@ Resources:
   ConvertDocFunction:
     Type: AWS::Serverless::Function
     Properties:
-      Runtime: python3.8
+      Runtime: python3.10
       Handler: main.run_document_conversion
       CodeUri: ./awsbin/document_conversion
       # Trigger function via SNS