diff --git a/CHANGES.md b/CHANGES.md
index cfd28efe..ac99fc2b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,7 @@ Notable changes between versions.
 ## Latest
 
 * Update Cilium from v1.12.5 to [v1.12.6](https://github.com/cilium/cilium/releases/tag/v1.12.6)
+* Update flannel from v0.20.2 to [v0.21.1](https://github.com/flannel-io/flannel/releases/tag/v0.21.1)
 
 ### Bare-Metal
 
diff --git a/aws/fedora-coreos/kubernetes/bootstrap.tf b/aws/fedora-coreos/kubernetes/bootstrap.tf
index 07f9e6cd..cb59b5ae 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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/aws/flatcar-linux/kubernetes/bootstrap.tf b/aws/flatcar-linux/kubernetes/bootstrap.tf
index 07f9e6cd..cb59b5ae 100644
--- a/aws/flatcar-linux/kubernetes/bootstrap.tf
+++ b/aws/flatcar-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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/azure/fedora-coreos/kubernetes/bootstrap.tf b/azure/fedora-coreos/kubernetes/bootstrap.tf
index 43170188..bf5b838b 100644
--- a/azure/fedora-coreos/kubernetes/bootstrap.tf
+++ b/azure/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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/azure/flatcar-linux/kubernetes/bootstrap.tf b/azure/flatcar-linux/kubernetes/bootstrap.tf
index 43170188..bf5b838b 100644
--- a/azure/flatcar-linux/kubernetes/bootstrap.tf
+++ b/azure/flatcar-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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/bare-metal/fedora-coreos/kubernetes/bootstrap.tf b/bare-metal/fedora-coreos/kubernetes/bootstrap.tf
index 4669e028..a3887e4b 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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]
diff --git a/bare-metal/flatcar-linux/kubernetes/bootstrap.tf b/bare-metal/flatcar-linux/kubernetes/bootstrap.tf
index f873d335..50a57d81 100644
--- a/bare-metal/flatcar-linux/kubernetes/bootstrap.tf
+++ b/bare-metal/flatcar-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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name                    = var.cluster_name
   api_servers                     = [var.k8s_domain_name]
diff --git a/digital-ocean/fedora-coreos/kubernetes/bootstrap.tf b/digital-ocean/fedora-coreos/kubernetes/bootstrap.tf
index 4704c903..c45bb860 100644
--- a/digital-ocean/fedora-coreos/kubernetes/bootstrap.tf
+++ b/digital-ocean/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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name = var.cluster_name
   api_servers  = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/digital-ocean/flatcar-linux/kubernetes/bootstrap.tf b/digital-ocean/flatcar-linux/kubernetes/bootstrap.tf
index 4704c903..c45bb860 100644
--- a/digital-ocean/flatcar-linux/kubernetes/bootstrap.tf
+++ b/digital-ocean/flatcar-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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   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 f7f8cde5..3819ced9 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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]
diff --git a/google-cloud/flatcar-linux/kubernetes/bootstrap.tf b/google-cloud/flatcar-linux/kubernetes/bootstrap.tf
index f7f8cde5..3819ced9 100644
--- a/google-cloud/flatcar-linux/kubernetes/bootstrap.tf
+++ b/google-cloud/flatcar-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=9a2822282be9d47a8232a92d0c431005cd2caa22"
+  source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=7f9853fca328fa7e80f408fa0a254d7c170d3fa0"
 
   cluster_name          = var.cluster_name
   api_servers           = [format("%s.%s", var.cluster_name, var.dns_zone)]