diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09f97bd..661866a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,9 +8,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Terraform
-        uses: hashicorp/setup-terraform@v2
+        uses: hashicorp/setup-terraform@v3
         with:
           terraform_wrapper: false
       - name: Lint Terraform
diff --git a/examples/basic/.terraform.lock.hcl b/examples/basic/.terraform.lock.hcl
index 7fef862..8d60fac 100644
--- a/examples/basic/.terraform.lock.hcl
+++ b/examples/basic/.terraform.lock.hcl
@@ -2,62 +2,62 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/aws" {
-  version     = "4.67.0"
+  version     = "5.77.0"
   constraints = ">= 4.9.0"
   hashes = [
-    "h1:dCRc4GqsyfqHEMjgtlM1EympBcgTmcTkWaJmtd91+KA=",
-    "zh:0843017ecc24385f2b45f2c5fce79dc25b258e50d516877b3affee3bef34f060",
-    "zh:19876066cfa60de91834ec569a6448dab8c2518b8a71b5ca870b2444febddac6",
-    "zh:24995686b2ad88c1ffaa242e36eee791fc6070e6144f418048c4ce24d0ba5183",
-    "zh:4a002990b9f4d6d225d82cb2fb8805789ffef791999ee5d9cb1fef579aeff8f1",
-    "zh:559a2b5ace06b878c6de3ecf19b94fbae3512562f7a51e930674b16c2f606e29",
-    "zh:6a07da13b86b9753b95d4d8218f6dae874cf34699bca1470d6effbb4dee7f4b7",
-    "zh:768b3bfd126c3b77dc975c7c0e5db3207e4f9997cf41aa3385c63206242ba043",
-    "zh:7be5177e698d4b547083cc738b977742d70ed68487ce6f49ecd0c94dbf9d1362",
-    "zh:8b562a818915fb0d85959257095251a05c76f3467caa3ba95c583ba5fe043f9b",
+    "h1:9lQ7FpLAN1+Bt1eb/daWlyl2N9aWsBTw2tgLR/hxODE=",
+    "zh:0bb61ed8a86a231e466ceffd010cb446418483853aa7e35ecb628cf578fa3905",
+    "zh:15d37511e55db46a50e703195858b816b7bbfd7bd6d193abf45aec1cb31cfc29",
+    "zh:1cdaec2ca4408e90aee6ea550ff4ff01a46033854c26d71309541975aa6317bd",
+    "zh:1dd2d1af44004b35a1597e82f9aa9d6396a77808371aa4dfd2045a2a144b7329",
+    "zh:329bf790ef57b29b95eee847090bffb74751b2b5e5a4c23e07367cc0bf9cce10",
+    "zh:40949e13342a0a738036e66420b7a546bda91ef68038981badbe454545076f16",
+    "zh:5674eb93c8edd308abac408ae45ee90e59e171d45011f00f5036ff4d43a1de52",
+    "zh:747624ce0e938dd773bca295df226d39d425d3805e6afe50248159d0f2ec6d3a",
+    "zh:761795909c5cba10f138d276384fb034031eb1e8c5cdfe3b93794c8a78d909ce",
     "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
-    "zh:9c385d03a958b54e2afd5279cd8c7cbdd2d6ca5c7d6a333e61092331f38af7cf",
-    "zh:b3ca45f2821a89af417787df8289cb4314b273d29555ad3b2a5ab98bb4816b3b",
-    "zh:da3c317f1db2469615ab40aa6baba63b5643bae7110ff855277a1fb9d8eb4f2c",
-    "zh:dc6430622a8dc5cdab359a8704aec81d3825ea1d305bbb3bbd032b1c6adfae0c",
-    "zh:fac0d2ddeadf9ec53da87922f666e1e73a603a611c57bcbc4b86ac2821619b1d",
+    "zh:9b95901dae3f2c7eea870d57940117ef5391676689efc565351bb087816674e4",
+    "zh:9bb86e159828dedc1302844d29ee6d79d6fee732c830a36838c359b9319ab304",
+    "zh:9e72dfbd7c28da259d51af92c21e580efd0045103cba2bb01cd1a8acb4185883",
+    "zh:a226b88521022598d1be8361b4f2976834d305ff58c8ea9b9a12c82f9a23f2c2",
+    "zh:faabcdfa36365359dca214da534cfb2fd5738edb40786c2afd09702f42ad1651",
   ]
 }
 
 provider "registry.terraform.io/hashicorp/local" {
-  version = "2.4.0"
+  version = "2.5.2"
   hashes = [
-    "h1:R97FTYETo88sT2VHfMgkPU3lzCsZLunPftjSI5vfKe8=",
-    "zh:53604cd29cb92538668fe09565c739358dc53ca56f9f11312b9d7de81e48fab9",
-    "zh:66a46e9c508716a1c98efbf793092f03d50049fa4a83cd6b2251e9a06aca2acf",
-    "zh:70a6f6a852dd83768d0778ce9817d81d4b3f073fab8fa570bff92dcb0824f732",
+    "h1:JlMZD6nYqJ8sSrFfEAH0Vk/SL8WLZRmFaMUF9PJK5wM=",
+    "zh:136299545178ce281c56f36965bf91c35407c11897f7082b3b983d86cb79b511",
+    "zh:3b4486858aa9cb8163378722b642c57c529b6c64bfbfc9461d940a84cd66ebea",
+    "zh:4855ee628ead847741aa4f4fc9bed50cfdbf197f2912775dd9fe7bc43fa077c0",
+    "zh:4b8cd2583d1edcac4011caafe8afb7a95e8110a607a1d5fb87d921178074a69b",
+    "zh:52084ddaff8c8cd3f9e7bcb7ce4dc1eab00602912c96da43c29b4762dc376038",
+    "zh:71562d330d3f92d79b2952ffdda0dad167e952e46200c767dd30c6af8d7c0ed3",
     "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
-    "zh:82a803f2f484c8b766e2e9c32343e9c89b91997b9f8d2697f9f3837f62926b35",
-    "zh:9708a4e40d6cc4b8afd1352e5186e6e1502f6ae599867c120967aebe9d90ed04",
-    "zh:973f65ce0d67c585f4ec250c1e634c9b22d9c4288b484ee2a871d7fa1e317406",
-    "zh:c8fa0f98f9316e4cfef082aa9b785ba16e36ff754d6aba8b456dab9500e671c6",
-    "zh:cfa5342a5f5188b20db246c73ac823918c189468e1382cb3c48a9c0c08fc5bf7",
-    "zh:e0e2b477c7e899c63b06b38cd8684a893d834d6d0b5e9b033cedc06dd7ffe9e2",
-    "zh:f62d7d05ea1ee566f732505200ab38d94315a4add27947a60afa29860822d3fc",
-    "zh:fa7ce69dde358e172bd719014ad637634bbdabc49363104f4fca759b4b73f2ce",
+    "zh:805f81ade06ff68fa8b908d31892eaed5c180ae031c77ad35f82cb7a74b97cf4",
+    "zh:8b6b3ebeaaa8e38dd04e56996abe80db9be6f4c1df75ac3cccc77642899bd464",
+    "zh:ad07750576b99248037b897de71113cc19b1a8d0bc235eb99173cc83d0de3b1b",
+    "zh:b9f1c3bfadb74068f5c205292badb0661e17ac05eb23bfe8bd809691e4583d0e",
+    "zh:cc4cbcd67414fefb111c1bf7ab0bc4beb8c0b553d01719ad17de9a047adff4d1",
   ]
 }
 
 provider "registry.terraform.io/hashicorp/random" {
-  version = "3.5.1"
+  version = "3.6.3"
   hashes = [
-    "h1:VSnd9ZIPyfKHOObuQCaKfnjIHRtR7qTw19Rz8tJxm+k=",
-    "zh:04e3fbd610cb52c1017d282531364b9c53ef72b6bc533acb2a90671957324a64",
-    "zh:119197103301ebaf7efb91df8f0b6e0dd31e6ff943d231af35ee1831c599188d",
-    "zh:4d2b219d09abf3b1bb4df93d399ed156cadd61f44ad3baf5cf2954df2fba0831",
-    "zh:6130bdde527587bbe2dcaa7150363e96dbc5250ea20154176d82bc69df5d4ce3",
-    "zh:6cc326cd4000f724d3086ee05587e7710f032f94fc9af35e96a386a1c6f2214f",
+    "h1:Fnaec9vA8sZ8BXVlN3Xn9Jz3zghSETIKg7ch8oXhxno=",
+    "zh:04ceb65210251339f07cd4611885d242cd4d0c7306e86dda9785396807c00451",
+    "zh:448f56199f3e99ff75d5c0afacae867ee795e4dfda6cb5f8e3b2a72ec3583dd8",
+    "zh:4b4c11ccfba7319e901df2dac836b1ae8f12185e37249e8d870ee10bb87a13fe",
+    "zh:4fa45c44c0de582c2edb8a2e054f55124520c16a39b2dfc0355929063b6395b1",
+    "zh:588508280501a06259e023b0695f6a18149a3816d259655c424d068982cbdd36",
+    "zh:737c4d99a87d2a4d1ac0a54a73d2cb62974ccb2edbd234f333abd079a32ebc9e",
     "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
-    "zh:b6d88e1d28cf2dfa24e9fdcc3efc77adcdc1c3c3b5c7ce503a423efbdd6de57b",
-    "zh:ba74c592622ecbcef9dc2a4d81ed321c4e44cddf7da799faa324da9bf52a22b2",
-    "zh:c7c5cde98fe4ef1143bd1b3ec5dc04baf0d4cc3ca2c5c7d40d17c0e9b2076865",
-    "zh:dac4bad52c940cd0dfc27893507c1e92393846b024c5a9db159a93c534a3da03",
-    "zh:de8febe2a2acd9ac454b844a4106ed295ae9520ef54dc8ed2faf29f12716b602",
-    "zh:eab0d0495e7e711cca367f7d4df6e322e6c562fc52151ec931176115b83ed014",
+    "zh:a357ab512e5ebc6d1fda1382503109766e21bbfdfaa9ccda43d313c122069b30",
+    "zh:c51bfb15e7d52cc1a2eaec2a903ac2aff15d162c172b1b4c17675190e8147615",
+    "zh:e0951ee6fa9df90433728b96381fb867e3db98f66f735e0c3e24f8f16903f0ad",
+    "zh:e3cdcb4e73740621dabd82ee6a37d6cfce7fee2a03d8074df65086760f5cf556",
+    "zh:eff58323099f1bd9a0bec7cb04f717e7f1b2774c7d612bf7581797e1622613a0",
   ]
 }
diff --git a/main.tf b/main.tf
index 9fff01f..d44a0b4 100644
--- a/main.tf
+++ b/main.tf
@@ -48,8 +48,8 @@ data "aws_iam_policy_document" "server_assetstore" {
 }
 
 module "smtp" {
-  source  = "girder/girder4/heroku//modules/smtp"
-  version = "0.13.0"
+  source  = "kitware-resonant/resonant/heroku//modules/smtp"
+  version = "1.1.1"
 
   project_slug    = var.project_slug
   route53_zone_id = var.route53_zone_id