diff --git a/terraform/environment/.terraform.lock.hcl b/terraform/environment/.terraform.lock.hcl
index 70bab896ff..bdf824d4b4 100644
--- a/terraform/environment/.terraform.lock.hcl
+++ b/terraform/environment/.terraform.lock.hcl
@@ -19,6 +19,21 @@ provider "registry.terraform.io/hashicorp/aws" {
     "h1:pcDQYPgf/6OQCapDcRV/RTvToi9qXHFsY16rvZx3vsY=",
     "h1:rplvK7UGP2FuzM44t2eRX+QYYPC0aUIoKdi5XayRI8M=",
     "h1:ytz93JU2mhkKFYWj0V5TV5GMH0v6cIekk485rn9me6A=",
+    "zh:0087b9dd2c9c638fd63e527e5b9b70988008e263d480a199f180efe5a4f070f0",
+    "zh:0fd532a4fd03ddef11f0502ff9fe4343443e1ae805cb088825a71d6d48906ec7",
+    "zh:16411e731100cd15f7e165f53c23be784b2c86c2fcfd34781e0642d17090d342",
+    "zh:251d520927e77f091e2ec6302e921d839a2430ac541c6a461aed7c08fb5eae12",
+    "zh:4919e69682dc2a8c32d44f6ebc038a52c9f40af9c61cb574b64e322800d6a794",
+    "zh:5334c60759d5f76bdc51355d1a3ebcc451d4d20f632f5c73b6e55c52b5dc9e52",
+    "zh:7341a2b7247572eba0d0486094a870b872967702ec0ac7af728c2df2c30af4e5",
+    "zh:81d1b1cb2cac6b3922a05adab69543b678f344a01debd54500263700dad7a288",
+    "zh:882bc8e15ef6d4020a07321ec4c056977c5c1d96934118032922561d29504d43",
+    "zh:8cd4871ef2b03fd916de1a6dc7eb8a81a354c421177d4334a2e3308e50215e41",
+    "zh:97e12fe6529b21298adf1046c5e20ac35d0569c836a6f385ff041e257e00cfd2",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:9f5baf5d59b9f3cf5504d1fa975f10f27da3791896a9e18ece47c258bac17634",
+    "zh:dffafba6731ac1db1c540bdbd6a8c878486b71de9d0ca1d23c5c00a6c3c14d80",
+    "zh:fa7440c3c15a42fc5731444d324ced75407d417bfe3184661ae47d40a9718dce",
   ]
 }
 
@@ -42,22 +57,34 @@ provider "registry.terraform.io/hashicorp/local" {
 }
 
 provider "registry.terraform.io/pagerduty/pagerduty" {
-  version     = "2.16.2"
-  constraints = ">= 2.16.0, ~> 2.16.0"
+  version     = "3.0.0"
+  constraints = ">= 2.16.0, ~> 3.0.0"
   hashes = [
-    "h1:o5WTFJvDb4otuS8IC6m1j/UpD+ywHatwPq6OkG1lvL0=",
-    "zh:0d78102d65324ef363c7749994c8229d20d919e695d7196b6270ad0f286c3126",
-    "zh:122a7bbcc00e4c4274462b8a114d2e8a3a7022a0e575a79d2e19294a748eadc5",
-    "zh:342b77bbc1b02541502fce65403c1724a3c9fc317280d0d551984ff282842027",
-    "zh:366e090b960c77b74eaa3fd714c27881c8552c99caff93aa3cb05bd1d496e634",
-    "zh:3f7d0102c6bc03c4c56624352327201f87a033cc1cbeb31c0f5e4755215018c5",
-    "zh:6fd2247de6da2116790139d2d7348bfe90032e95b74d21d38230e156ddae28d0",
-    "zh:70243a6003d29dbbf2f6aa833c2e9b0485d599fe52ff3c2b475834291bc1f982",
-    "zh:850f544b9eaffd411202f7d1fbed3ff8c26d91f924dadd9be3d99ed45fe9d83c",
-    "zh:9f56d59b42078ffa873a230764bf3ceba735b4589cf584b28b96118a79ee136b",
-    "zh:a44a64c22f22a6d802e90039368ece661a81e69f4a4b460d7687810f05ec0351",
-    "zh:a8b8d604da6ac1ecaf2ec64337bfb7198cef78a4e1bc10951e8dfe7e2baf6cdb",
-    "zh:badeb50e166b4290b276472ca22c01db06e7a2e2b45b159c21d61192e7dd3fbe",
-    "zh:d8bc4d96d3c00add82dae1dc33c4afb3817c8d06898b2ea3f49ccd13650b1261",
+    "h1:0tNunvHNtb3hr+GIDiHTJtxXGQCIVc+CUQsiwwFlQu8=",
+    "h1:Ft5JxgWEDYOSu+DTm5HnLWcoalvd/D1JqkfhCfcv1qw=",
+    "h1:GIGx2IB+6Mpkx7uol2Dbzb2LR8zxqDxwVpRNR3qExNI=",
+    "h1:I7bRsxKrul5AqWElASThb1Xt5JHr7/NWGdMHaG36p/4=",
+    "h1:K/eeF3FmqdAoSMujjMkgV10wTmpPmZ+suVrEjdH4aI0=",
+    "h1:NC6rNlADlCvGTL7BocsuBwO1hwmhEXuccajwplbUUaw=",
+    "h1:RpMy4TIwL0rDv8eiDdIvjNcnAF/tSIBrLsoG+S43To4=",
+    "h1:TTScryCjS1N7flVltr6FbLQ8+iiuHudJOWnBQkCket8=",
+    "h1:b9aMNmyFSfvYe6rlEGfJOdserChWZ4dUS7A/1JFgPmY=",
+    "h1:h4ATq2jnpQh+Co+uDWAMpQ34gAMnEQyDgcd6KQAUJy8=",
+    "h1:jlP4Le1O/Qy+e03AbVyALR2bmEPUan9n9h8+ne+EXp4=",
+    "h1:mZ/XJHvI8nsgRn94Qm9eVL0BPwIpOREMjIQBCOrUb1A=",
+    "h1:pUQiKiyH22oUcXhIkXB59xteZ6+MSy6iV1mmweXTbr8=",
+    "zh:00d24712be44a4827413f8a8ba9c16caa55500e96d1bb477557b93f4ee128280",
+    "zh:201ab74eff141ddf015b173da4e164215a4d86d1a3487139b5f93899898f8d2b",
+    "zh:4771bc7a2febbc6c57c9660010312e9bbc177b995bbb5c676f692ef6c1802d85",
+    "zh:4f8e46ad9a74615b88de5669dc9aab3b616bdf96371b2c953f981051afa6be91",
+    "zh:6671bddce5a9287e700c5d32df1830c04db4140e7515e579d87c85916eda10a5",
+    "zh:7cb6d7f392a44a60a39a4696b0878b105cae677996a5e78d4943f6ef998e928d",
+    "zh:82a04df442a6650c275a973ffcc8b2a72a48ae607ea97a7cfc15c071c5f1f716",
+    "zh:87a18cb8f0eb05c4b42f4db4971c2487da5796a027fbb1cf71265a032849fcba",
+    "zh:bc5133989d37d9d2bac275fd21f6678b9abd411d5d093e8e73eece43bfee9003",
+    "zh:c215308b22b90c6b7146d491d857f6ebaa8e6be3b6003aaf5bfc70a87d7ae74f",
+    "zh:c361bff490f160fd39923d3daecf55ff882ca64763f936ecd5a3f72480c13422",
+    "zh:e268d1a6546674026116ea053152d8ee47b4594c53721b0d10f8fb9def0eb9f9",
+    "zh:f726b6df0185dec674d260df55e80b15619f19b6721be4d981548d074f87ed6f",
   ]
 }
diff --git a/terraform/environment/region/modules/app/ecs.tf b/terraform/environment/region/modules/app/ecs.tf
index 85ba1503ca..ef41486a79 100644
--- a/terraform/environment/region/modules/app/ecs.tf
+++ b/terraform/environment/region/modules/app/ecs.tf
@@ -363,7 +363,7 @@ locals {
           value = "https://publicapi.payments.service.gov.uk"
         },
         {
-          name = "GOVUK_NOTIFY_BASE_URL",
+          name  = "GOVUK_NOTIFY_BASE_URL",
           value = "https://api.notifications.service.gov.uk"
         },
         {
diff --git a/terraform/environment/versions.tf b/terraform/environment/versions.tf
index e479f6e7dd..ec001f75f2 100644
--- a/terraform/environment/versions.tf
+++ b/terraform/environment/versions.tf
@@ -6,7 +6,7 @@ terraform {
     }
     pagerduty = {
       source  = "PagerDuty/pagerduty"
-      version = "~> 2.16.0"
+      version = "~> 3.0.0"
     }
     local = {
       source = "hashicorp/local"