diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d42e18..60aaa6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+* expose the TEA lambda timeout value to allow for DAAC customization
 * add `--platform linux/amd64` to all Docker commands in `Makefile` so `make image` and
 `make container-shell` work on Apple Silicon machines
 
diff --git a/cumulus/thin-egress.tf b/cumulus/thin-egress.tf
index d31283c..cbe7ea0 100644
--- a/cumulus/thin-egress.tf
+++ b/cumulus/thin-egress.tf
@@ -12,6 +12,7 @@ module "thin_egress_app" {
   html_template_dir                  = var.html_template_dir
   jwt_algo                           = var.thin_egress_jwt_algo
   jwt_secret_name                    = local.thin_egress_jwt_secret_name
+  lambda_timeout                     = var.thin_egress_lambda_timeout
   lambda_code_dependency_archive_key = var.thin_egress_lambda_code_dependency_archive_key
   log_api_gateway_to_cloudwatch      = var.log_api_gateway_to_cloudwatch
   permissions_boundary_name          = "NGAPShRoleBoundary"
diff --git a/cumulus/variables.tf b/cumulus/variables.tf
index de23110..d5d739d 100644
--- a/cumulus/variables.tf
+++ b/cumulus/variables.tf
@@ -402,6 +402,12 @@ variable "thin_egress_lambda_code_dependency_archive_key" {
   description = "S3 Key of packaged python modules for lambda dependency layer."
 }
 
+variable "thin_egress_lambda_timeout" {
+  type        = number
+  default     = 6
+  description = "Timeout in seconds for thin egress lambda."
+}
+
 variable "egress_lambda_log_retention_days" {
   type        = number
   default     = 30