diff --git a/terragrunt/aws/api/lambda.tf b/terragrunt/aws/api/lambda.tf
index 9ff56142..769589de 100644
--- a/terragrunt/aws/api/lambda.tf
+++ b/terragrunt/aws/api/lambda.tf
@@ -20,6 +20,7 @@ module "scan_files" {
   environment_variables = {
     API_AUTH_TOKEN_SECRET_ARN    = aws_secretsmanager_secret.api_auth_token.id
     AV_DEFINITION_S3_BUCKET      = "${var.product_name}-${var.env}-clamav-defs"
+    AV_SCAN_USE_CACHE            = "False"
     AWS_MAX_ATTEMPTS             = "5"
     AWS_RETRY_MODE               = "standard"
     COMPLETED_SCANS_TABLE_NAME   = "completed-scans"