diff --git a/1-ilb-active-active/.terraform.lock.hcl b/1-ilb-active-active/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/1-ilb-active-active/.terraform.lock.hcl
+++ b/1-ilb-active-active/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/1-ilb-active-active/versions.tf b/1-ilb-active-active/versions.tf
index 600cf61..1046d30 100644
--- a/1-ilb-active-active/versions.tf
+++ b/1-ilb-active-active/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {
diff --git a/2-ilb-failover/.terraform.lock.hcl b/2-ilb-failover/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/2-ilb-failover/.terraform.lock.hcl
+++ b/2-ilb-failover/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/2-ilb-failover/versions.tf b/2-ilb-failover/versions.tf
index 600cf61..1046d30 100644
--- a/2-ilb-failover/versions.tf
+++ b/2-ilb-failover/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {
diff --git a/3-ilb-keepalived/.terraform.lock.hcl b/3-ilb-keepalived/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/3-ilb-keepalived/.terraform.lock.hcl
+++ b/3-ilb-keepalived/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/3-ilb-keepalived/versions.tf b/3-ilb-keepalived/versions.tf
index 600cf61..1046d30 100644
--- a/3-ilb-keepalived/versions.tf
+++ b/3-ilb-keepalived/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {
diff --git a/4-routes-ecmp/.terraform.lock.hcl b/4-routes-ecmp/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/4-routes-ecmp/.terraform.lock.hcl
+++ b/4-routes-ecmp/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/4-routes-ecmp/versions.tf b/4-routes-ecmp/versions.tf
index 600cf61..1046d30 100644
--- a/4-routes-ecmp/versions.tf
+++ b/4-routes-ecmp/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {
diff --git a/5-routes-priority/.terraform.lock.hcl b/5-routes-priority/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/5-routes-priority/.terraform.lock.hcl
+++ b/5-routes-priority/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/5-routes-priority/versions.tf b/5-routes-priority/versions.tf
index 600cf61..1046d30 100644
--- a/5-routes-priority/versions.tf
+++ b/5-routes-priority/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {
diff --git a/6-routes-keepalived/.terraform.lock.hcl b/6-routes-keepalived/.terraform.lock.hcl
index 85dffe9..eea1f64 100644
--- a/6-routes-keepalived/.terraform.lock.hcl
+++ b/6-routes-keepalived/.terraform.lock.hcl
@@ -22,22 +22,32 @@ provider "registry.terraform.io/hashicorp/archive" {
 }
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
 
diff --git a/6-routes-keepalived/versions.tf b/6-routes-keepalived/versions.tf
index f3f9bcc..c1ded9c 100644
--- a/6-routes-keepalived/versions.tf
+++ b/6-routes-keepalived/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
     archive = {
       source  = "hashicorp/archive"
diff --git a/7-autohealing-instance/.terraform.lock.hcl b/7-autohealing-instance/.terraform.lock.hcl
index ef66661..30d6058 100644
--- a/7-autohealing-instance/.terraform.lock.hcl
+++ b/7-autohealing-instance/.terraform.lock.hcl
@@ -2,21 +2,31 @@
 # Manual edits may be lost in future updates.
 
 provider "registry.terraform.io/hashicorp/google" {
-  version     = "5.34.0"
-  constraints = "~> 5.34.0"
+  version     = "6.8.0"
+  constraints = "~> 6.8.0"
   hashes = [
-    "h1:fi9xftzKft61lt4vI0oXgzEwpLtMW4D3S3/T63SsO7w=",
-    "zh:143c88bb74631041c291ebf7b6213467bf376d3775a33815785939dc102fac09",
-    "zh:1616ac79345f472b33fcc388eaf4a8a3002e4cc3a5e8748d60d6f4786d0d16dc",
-    "zh:554ce78e73349ac2c893a74b6981f5e55169ca16f4d0f239e6ccdecadbe1c9e1",
-    "zh:8022f97aa907685b2eb6c39d5411cf2be2448c6f3b7fbeaf9c06618d376ac4bc",
-    "zh:85f1fe3628954c35379cc05b895091ec8fe8ba0a5610bc9660492d5be65d4902",
-    "zh:873fb64fca79695aa930cd868b41ac498809eb76bc3292e41460d916c6fa3538",
-    "zh:8d3c5112a4abf14b42d769f78373e66f2c2f5f03a7e6544d80019a695bd9b198",
-    "zh:93cbcfa38991965b976d1973bc528d666006b5247c3fda00c714d0f3a2b62d3e",
-    "zh:b7710246637aee522a4ea4c1b4f0effb83b701546124ae90c8b4afb97ce03aba",
-    "zh:e4e02fe946ccbe192b6bbc6bed5715cf68084f1faadc134ed99d5e732429d2ca",
+    "h1:8U5g8mSJ+imAXCcLT97O86eEaVGTVNd3sDvUFBPmW9c=",
+    "h1:GlCaVPk6eKMg2ZbRY7C5tUeHGNIABT+qFtMl8+XWZHM=",
+    "h1:ZPFcWcZamIpWOh5yD8+QdhaQhnu2TAMiwffcvtQvsCw=",
+    "h1:buKkJEIifZob32bMmFj928bubnS6xG4w9zvkRv31/Fk=",
+    "h1:dQImRIH+/5stzDKDTeOTWPxYC7VuUgLUdxsgEXxVWtI=",
+    "h1:fTyLDuNp/8IJKGueWfaSLfwCuL70jS1oh1qCrXnMf+0=",
+    "h1:iarPe3zbbQqw2S8tWOZyk2Mf3p7r+gCJO2G8axDZP04=",
+    "h1:mF19ay275Nw5n2W23OPL4naEA4j0qT2IuJEvtkwUD44=",
+    "h1:qJHsigIxR4s7n7s8ujff8DVetNKJjc5BOpdB9cnIxMU=",
+    "h1:w2y1o1QEOkD8zMK4heOa0nminatD1K2jJc7l8cNU0f4=",
+    "h1:xdFVxNzvhzX8sbkMhmBhmViiyoc8PYbkaig6rgs0Ud0=",
+    "zh:1b78f4451f1617092eb6891c9c13eda79671060601c40947feea6794c732157a",
+    "zh:4c6d7231ce32c6ff2a98218ef363c133d27d423b009354e7fe18459d9feb41d4",
+    "zh:6ae0112e9c733ab6c72436a334ffe3f197a613bb04f49538462b83b236d37a2d",
+    "zh:8bd5651838ad674e0a173a453b76c80b94d08ebcb8ea0b6263ce6da0599b42f5",
+    "zh:94ee7bcd77b0b7c2777113e35282da014e61e813fe46c058a49bf3d616fecdf4",
+    "zh:c0bf014422c2971985d34ad45ddb6aa737373398f83b325884ea5608ac1264aa",
+    "zh:c2cbbf0c249c3d1842ad0ad77fb7ef85bd3e92c688618c4087173bc1d69cd098",
+    "zh:cefa3e06cb353d08b83dafa6135cd78e17540ae735b7c5687833cc1925c3fd8e",
+    "zh:d20bc0216bf7f054f6318467d3902ced05e9f0bfa500ee55bf43b1b41ef0b854",
+    "zh:e54ad5959e53b9e9acafc243d6f4039ab5005cec32c7435a122da964888d184c",
+    "zh:e833c8de147268b3ffc14c60915eccb9347ade5f25b37b3771240a4d68b6aac4",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:fb6b1e4fb2d019d2740aa21b5ecd5f0609f562633a78604a96c14c94aff762b4",
   ]
 }
diff --git a/7-autohealing-instance/versions.tf b/7-autohealing-instance/versions.tf
index 600cf61..1046d30 100644
--- a/7-autohealing-instance/versions.tf
+++ b/7-autohealing-instance/versions.tf
@@ -18,7 +18,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "~>5.34.0"
+      version = "~> 6.8.0"
     }
   }
   provider_meta "google" {