diff --git a/terraform/.terraform.lock.hcl b/terraform/.terraform.lock.hcl
index 98f7c2b1..a0f92300 100644
--- a/terraform/.terraform.lock.hcl
+++ b/terraform/.terraform.lock.hcl
@@ -103,32 +103,32 @@ provider "registry.terraform.io/hashicorp/azuread" {
 }
 
 provider "registry.terraform.io/hashicorp/azurerm" {
-  version     = "3.116.0"
-  constraints = "3.116.0"
+  version     = "4.21.0"
+  constraints = "4.21.0"
   hashes = [
-    "h1:1l6/2ryzWjO4nMYq3QYWT+J0a92T/Q6BzGtw4veNcCw=",
-    "h1:20mV/QyOirkcpDlSLP1ZyrYg5oGxUhxWk/sARghWYX0=",
-    "h1:2QbjtN4oMXzdA++Nvrj/wSmWZTPgXKOSFGGQCLEMrb4=",
-    "h1:3v5wgHWHRB3J5sByxhgkPEOmL9H4GeFIasitGI36bkM=",
-    "h1:BCR3NIorFSvGG3v/+JOiiw3VM4PkChLO4m84wzD9NDo=",
-    "h1:SJM/KQDW9blKFmLMaupsZVYtcZ0fYpjLHEriMgCBGCY=",
-    "h1:e0MF3tmcdLlcxKM5kPaQky0r2PqkunQARUielD2xOj0=",
-    "h1:jwwbQ09fH1RdcNsknt1AkvfSUbULsl7nZQn6S8fabFI=",
-    "h1:o0Ubwji4cbpd3c9b+BjEuzH9AO0F4ZazWHYCmyBp3j8=",
-    "h1:pjQ5i0aQ4cwj9owx7KqrilBZ1Mfvza2kuVot7czcmVw=",
-    "h1:s9Ekf9Y5w2l2OxALNEVYYqmuF+Cr1J5xtSCOtOeTvP4=",
-    "zh:02b6606aff025fc2a962b3e568e000300abe959adac987183c24dac8eb057f4d",
-    "zh:2a23a8ce24ff9e885925ffee0c3ea7eadba7a702541d05869275778aa47bdea7",
-    "zh:57d10746384baeca4d5c56e88872727cdc150f437b8c5e14f0542127f7475e24",
-    "zh:59e3ebde1a2e1e094c671e179f231ead60684390dbf02d2b1b7fe67a228daa1a",
-    "zh:5f1f5c7d09efa2ee8ddf21bd9efbbf8286f6e90047556bef305c062fa0ac5880",
-    "zh:a40646aee3c9907276dab926e6123a8d70b1e56174836d4c59a9992034f88d70",
-    "zh:c21d40461bc5836cf56ad3d93d2fc47f61138574a55e972ad5ff1cb73bab66dc",
-    "zh:c56fb91a5ae66153ba0f737a26da1b3d4f88fdef7d41c63e06c5772d93b26953",
-    "zh:d1e60e85f51d12fc150aeab8e31d3f18f859c32f927f99deb5b74cb1e10087aa",
-    "zh:ed35e727e7d79e687cd3d148f52b442961ede286e7c5b4da1dcd9f0128009466",
+    "h1:6Zce/bfJTubd9VZP+SduO6yD8B51yoeeUe5XyP+n8Tg=",
+    "h1:8VVtYcBaHWoyQw5DszL36a5Tbx7zGg8jsMPWDjNtkds=",
+    "h1:J1EF/O3HfSOSwhPEyXfXq1D1eOFySXSjQoElYWsUi9w=",
+    "h1:MkHYR2jMC/9CJQT9uZwHb3Lr2UTR+GSB1NVzSBd70MI=",
+    "h1:N2uMJqzYnR+aq7i75T6JX1pAI7Zg6zjpUIiaR2u36V4=",
+    "h1:SrzAtKrwc16XfEn7XLO8naHMr/q33SpHOEsnWN/L0HI=",
+    "h1:VaLnj0MaKBjPbAMwCyuJMYmKftnCU8q0XXQDaaAWQns=",
+    "h1:e1SrjIeLOMHizlsDugvd1qjRpeD1TFzLmU6k+yfztlA=",
+    "h1:fTq06csKOkoAqtkJn4FXn37wyRlJ0EJJgpe3CWMhIpU=",
+    "h1:gMu4FGlBedcPsbmKgqHRbT6HYanAqlpcozFAsnbrwhI=",
+    "h1:mo9aGGJoAiFRf5bBMPlsG6AsDaLqbvPgwkASgdHbiY8=",
+    "zh:166573ccd95258c761c5ee17ba53b1bf38aac59839fb67303489ca76a4fe39cf",
+    "zh:17ad468923b68620e0c976a51c512fedd640758f29647650fcdeff5fdfafb731",
+    "zh:4bb4c6674c3f4776da7fc193a78f929e872144e90821e9e834f02898a0a5b64d",
+    "zh:5be6d97f17709829fdac01067c5a793a3e3a01d5253107a43b8b94d6837a684b",
+    "zh:5d9a332a4854ec3e3c5fd185fade10c1b4b71ab8b1ee5d18e26fc29bb5648d83",
+    "zh:6bfb004b4eb8e041190f8ded8facd2530482eb83af0dead8cd1634abc831510b",
+    "zh:8b0c42fcd58370e3e4531ab721a09931af857043ee0b3f45404020fd1fdf7382",
+    "zh:9271775dffaea0d902e41acee737e95e1016a28f168792d06679cfc93e843ed5",
+    "zh:9cf0b0c48d9a3b21e74eda4f6198c117f52348768e9d0fcf8af933a2a15b6f83",
+    "zh:a0454a9f08b9de55382715d915be5f56e060e1c11dbd4304e5452518f402d9c1",
+    "zh:d9b4ea1a8ac558c09484d70f94a16deed35902e06943edb0b1f4ea5bca81feff",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:f6d2a4e7c58f44e7d04a4a9c73f35ed452f412c97c85def68c4b52814cbe03ab",
   ]
 }
 
diff --git a/terraform/main.tf b/terraform/main.tf
index 2f035486..617f09d7 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -34,7 +34,7 @@ terraform {
     }
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = "3.116.0"
+      version = "4.21.0"
     }
     azuread = {
       source  = "hashicorp/azuread"