diff --git a/module4/tf/.terraform.lock.hcl b/module4/tf/.terraform.lock.hcl
index a5e6920..4d36529 100644
--- a/module4/tf/.terraform.lock.hcl
+++ b/module4/tf/.terraform.lock.hcl
@@ -2,24 +2,24 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/stackitcloud/stackit" {
-  version     = "0.50.0"
-  constraints = "0.50.0"
+  version     = "0.76.0"
+  constraints = "0.76.0"
   hashes = [
-    "h1:uU8/DLvW8tEty0PI2sUMem43IDNSrncHuLaXaEYdGFk=",
+    "h1:p7/5SsEjwvGhQUFfS1zvefqxiOztixYzcc/Ch9TQ4Dg=",
     "zh:0dde99e7b343fa01f8eefc378171fb8621bedb20f59157d6cc8e3d46c738105f",
-    "zh:219d678bc471b3f5030724dcdde6be3f3fa63e911b7c7a0f446b0a0b4e5f48e7",
-    "zh:4cd09155a09e320b0b68db4ba2971564f3d147c19ad991d6b7e731e26034d91c",
-    "zh:507c1e24432f0d455ac8b628c37ee20db62e89a6e85508568c2820ba52404786",
-    "zh:5aa10bfc4baad277a2bc746c83fca19911bb95a5e8821dd46f333bc621cbb453",
-    "zh:67b55ad1135ca12997b0928cb67973b11ea196299e0cf66e3e0145faec762644",
-    "zh:6d1d108edcd6794a8839d849e6ea48699875e22afeea7edd38bee3dd56dea7e8",
-    "zh:7473c28b3781c0d00294d985bd067e753a419ca8e379f91a8f6f2ce4663566ee",
-    "zh:8d234b24734f950f986322a5f084ca23bfd9b3d9fb7742b54404171cfcabc99e",
-    "zh:af0804ea918648600cc6300dffce8a7b9115d30dc88db10f962b8e596d1465e1",
-    "zh:b557940dc6387dc4cce8b100981ccaadac6bc4e6b50c566baf148d67939f8f2e",
-    "zh:d477f77ce6f807d60069c1efcfa20607088ae7ab91d22805331a7634d84c2d1c",
-    "zh:d95086e2338ceed511e798a2acc6d5cefdfff1a14f7b47b2d29b4ebc36b77a3a",
-    "zh:ea0d8d5c9cf7d5871a54dd4786c378dfd9d10416f3c4d0ea4776465e8c562e10",
-    "zh:f96af7b89dc99745f6a22c0ca2aedb18e10273251b8cbac9e2b1011c68c3c3f9",
+    "zh:19329e79735c80f028527dc10cb1e2ed4e41d3d401f053013b5b88fe95c9ca15",
+    "zh:1c2ca9686e5dc7a8896d50d3c17c6fdd3690a7f2a78120318f9dd7ae8650ad32",
+    "zh:36f7ba648784e1910e6cbff0070fa7ea5db5327d3f27b6a33664bfa5530319de",
+    "zh:634cba2439b3bed154db38db4c88b767361dd6052c263e86db9b99b5419d4176",
+    "zh:639cc643d24054cdeba68430e11a27d75c2d250066206c11364c875e176aa057",
+    "zh:69b6a554a13d355c9e470d82c234ca8519d36eaf4f4dab848ce92b5dede5764d",
+    "zh:6ca4c435e9bd9619bc9c6514f64a0d80cc016e960a566dbbc697deab643a52b5",
+    "zh:755add9446f8523e7429b9ffa8c68115f5d883abb2fe858b03c761bdeb0c6a96",
+    "zh:9303619c5eb9a94dca56b8ff4b4e9cc34b701f4eb5fe3d2b10784e3cd474564b",
+    "zh:99baa35d28c30d0e62727c8567903b929070bd4dacb94b4f5c2abc14143bbf23",
+    "zh:a58b6a5081db418be32a86b68f53dfe3ab9300313eb3790dd4c06a6e8430f005",
+    "zh:a9fd9c7b59c048a9bd239c167dc8069a722d9900498e63d4b6042d5276697cf2",
+    "zh:e51d544e9f0dd533fca9d5072897df0e569cf3859a2ccf78b31fe955279f1b9a",
+    "zh:f5cc53057cef61c381c77f557fd256539180fcd7b02bd8148e2cd95f0b091278",
   ]
 }
diff --git a/module4/tf/main.tf b/module4/tf/main.tf
index 5071f9f..4e7e791 100644
--- a/module4/tf/main.tf
+++ b/module4/tf/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     stackit = {
       source  = "stackitcloud/stackit"
-      version = "0.50.0"
+      version = "0.76.0"
     }
   }
   backend "s3" {
diff --git a/module4/tf/postgres.tf b/module4/tf/postgres.tf
index 4d00402..eba1672 100644
--- a/module4/tf/postgres.tf
+++ b/module4/tf/postgres.tf
@@ -2,7 +2,7 @@ resource "stackit_postgresflex_instance" "scrumlr" {
   project_id      = var.project_id
   name            = "scrumlr"
   acl             = stackit_ske_cluster.scrumlr.egress_address_ranges
-  backup_schedule = "00 00 * * *"
+  backup_schedule = "0 0 * * *"
   flavor = {
     cpu = 2
     ram = 4
diff --git a/module6/tf/.terraform.lock.hcl b/module6/tf/.terraform.lock.hcl
index a5e6920..4d36529 100644
--- a/module6/tf/.terraform.lock.hcl
+++ b/module6/tf/.terraform.lock.hcl
@@ -2,24 +2,24 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/stackitcloud/stackit" {
-  version     = "0.50.0"
-  constraints = "0.50.0"
+  version     = "0.76.0"
+  constraints = "0.76.0"
   hashes = [
-    "h1:uU8/DLvW8tEty0PI2sUMem43IDNSrncHuLaXaEYdGFk=",
+    "h1:p7/5SsEjwvGhQUFfS1zvefqxiOztixYzcc/Ch9TQ4Dg=",
     "zh:0dde99e7b343fa01f8eefc378171fb8621bedb20f59157d6cc8e3d46c738105f",
-    "zh:219d678bc471b3f5030724dcdde6be3f3fa63e911b7c7a0f446b0a0b4e5f48e7",
-    "zh:4cd09155a09e320b0b68db4ba2971564f3d147c19ad991d6b7e731e26034d91c",
-    "zh:507c1e24432f0d455ac8b628c37ee20db62e89a6e85508568c2820ba52404786",
-    "zh:5aa10bfc4baad277a2bc746c83fca19911bb95a5e8821dd46f333bc621cbb453",
-    "zh:67b55ad1135ca12997b0928cb67973b11ea196299e0cf66e3e0145faec762644",
-    "zh:6d1d108edcd6794a8839d849e6ea48699875e22afeea7edd38bee3dd56dea7e8",
-    "zh:7473c28b3781c0d00294d985bd067e753a419ca8e379f91a8f6f2ce4663566ee",
-    "zh:8d234b24734f950f986322a5f084ca23bfd9b3d9fb7742b54404171cfcabc99e",
-    "zh:af0804ea918648600cc6300dffce8a7b9115d30dc88db10f962b8e596d1465e1",
-    "zh:b557940dc6387dc4cce8b100981ccaadac6bc4e6b50c566baf148d67939f8f2e",
-    "zh:d477f77ce6f807d60069c1efcfa20607088ae7ab91d22805331a7634d84c2d1c",
-    "zh:d95086e2338ceed511e798a2acc6d5cefdfff1a14f7b47b2d29b4ebc36b77a3a",
-    "zh:ea0d8d5c9cf7d5871a54dd4786c378dfd9d10416f3c4d0ea4776465e8c562e10",
-    "zh:f96af7b89dc99745f6a22c0ca2aedb18e10273251b8cbac9e2b1011c68c3c3f9",
+    "zh:19329e79735c80f028527dc10cb1e2ed4e41d3d401f053013b5b88fe95c9ca15",
+    "zh:1c2ca9686e5dc7a8896d50d3c17c6fdd3690a7f2a78120318f9dd7ae8650ad32",
+    "zh:36f7ba648784e1910e6cbff0070fa7ea5db5327d3f27b6a33664bfa5530319de",
+    "zh:634cba2439b3bed154db38db4c88b767361dd6052c263e86db9b99b5419d4176",
+    "zh:639cc643d24054cdeba68430e11a27d75c2d250066206c11364c875e176aa057",
+    "zh:69b6a554a13d355c9e470d82c234ca8519d36eaf4f4dab848ce92b5dede5764d",
+    "zh:6ca4c435e9bd9619bc9c6514f64a0d80cc016e960a566dbbc697deab643a52b5",
+    "zh:755add9446f8523e7429b9ffa8c68115f5d883abb2fe858b03c761bdeb0c6a96",
+    "zh:9303619c5eb9a94dca56b8ff4b4e9cc34b701f4eb5fe3d2b10784e3cd474564b",
+    "zh:99baa35d28c30d0e62727c8567903b929070bd4dacb94b4f5c2abc14143bbf23",
+    "zh:a58b6a5081db418be32a86b68f53dfe3ab9300313eb3790dd4c06a6e8430f005",
+    "zh:a9fd9c7b59c048a9bd239c167dc8069a722d9900498e63d4b6042d5276697cf2",
+    "zh:e51d544e9f0dd533fca9d5072897df0e569cf3859a2ccf78b31fe955279f1b9a",
+    "zh:f5cc53057cef61c381c77f557fd256539180fcd7b02bd8148e2cd95f0b091278",
   ]
 }
diff --git a/module6/tf/main.tf b/module6/tf/main.tf
index 5071f9f..4e7e791 100644
--- a/module6/tf/main.tf
+++ b/module6/tf/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     stackit = {
       source  = "stackitcloud/stackit"
-      version = "0.50.0"
+      version = "0.76.0"
     }
   }
   backend "s3" {
diff --git a/module6/tf/postgres.tf b/module6/tf/postgres.tf
index 4d00402..eba1672 100644
--- a/module6/tf/postgres.tf
+++ b/module6/tf/postgres.tf
@@ -2,7 +2,7 @@ resource "stackit_postgresflex_instance" "scrumlr" {
   project_id      = var.project_id
   name            = "scrumlr"
   acl             = stackit_ske_cluster.scrumlr.egress_address_ranges
-  backup_schedule = "00 00 * * *"
+  backup_schedule = "0 0 * * *"
   flavor = {
     cpu = 2
     ram = 4
diff --git a/module6/tf/ske.tf b/module6/tf/ske.tf
index d2838da..e681d05 100644
--- a/module6/tf/ske.tf
+++ b/module6/tf/ske.tf
@@ -24,8 +24,8 @@ resource "stackit_ske_cluster" "scrumlr" {
       enabled = true
       zones   = [stackit_dns_zone.scrumlr.dns_name]
     }
-    argus = {
-      argus_instance_id = stackit_observability_instance.scrumlr.instance_id
+    observability = {
+      instance_id = stackit_observability_instance.scrumlr.instance_id
       enabled           = true
     }
   }