diff --git a/CHANGES.md b/CHANGES.md
index 3db12106..784561ab 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,8 @@ Notable changes between versions.
 
 ## Latest
 
+* Update CoreDNS from v1.6.6 to v1.6.7 ([#648](https://github.com/poseidon/typhoon/pull/648))
+
 #### DigitalOcean
 
 * Add support for Flatcar Container Linux ([#644](https://github.com/poseidon/typhoon/pull/644))
diff --git a/aws/container-linux/kubernetes/bootstrap.tf b/aws/container-linux/kubernetes/bootstrap.tf
index 6a2c3095..3ee5bdda 100644
--- a/aws/container-linux/kubernetes/bootstrap.tf
+++ b/aws/container-linux/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/aws/fedora-coreos/kubernetes/bootstrap.tf b/aws/fedora-coreos/kubernetes/bootstrap.tf
index d9dd742c..7511d2d0 100644
--- a/aws/fedora-coreos/kubernetes/bootstrap.tf
+++ b/aws/fedora-coreos/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/azure/container-linux/kubernetes/bootstrap.tf b/azure/container-linux/kubernetes/bootstrap.tf
index 5c089e89..07404d67 100644
--- a/azure/container-linux/kubernetes/bootstrap.tf
+++ b/azure/container-linux/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/bare-metal/container-linux/kubernetes/bootstrap.tf b/bare-metal/container-linux/kubernetes/bootstrap.tf
index 94f54d38..2810938c 100644
--- a/bare-metal/container-linux/kubernetes/bootstrap.tf
+++ b/bare-metal/container-linux/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]
diff --git a/bare-metal/fedora-coreos/kubernetes/bootstrap.tf b/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
index bb5cc088..99a4729f 100644
--- a/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
+++ b/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]
diff --git a/digital-ocean/container-linux/kubernetes/bootstrap.tf b/digital-ocean/container-linux/kubernetes/bootstrap.tf
index 481b4418..3985411a 100644
--- a/digital-ocean/container-linux/kubernetes/bootstrap.tf
+++ b/digital-ocean/container-linux/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/google-cloud/container-linux/kubernetes/bootstrap.tf b/google-cloud/container-linux/kubernetes/bootstrap.tf
index 3bd0ea09..ad011ed7 100644
--- a/google-cloud/container-linux/kubernetes/bootstrap.tf
+++ b/google-cloud/container-linux/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/google-cloud/fedora-coreos/kubernetes/bootstrap.tf b/google-cloud/fedora-coreos/kubernetes/bootstrap.tf
index 9d9a5155..24197be9 100644
--- a/google-cloud/fedora-coreos/kubernetes/bootstrap.tf
+++ b/google-cloud/fedora-coreos/kubernetes/bootstrap.tf
@@ -1,6 +1,6 @@
 # Kubernetes assets (kubeconfig, manifests)
 module "bootstrap" {
-  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=d1831e626a06d1aa63a75ca90a670ca594657fbf"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]