diff --git a/CHANGES.md b/CHANGES.md
index 82aa3692..69af5871 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,8 @@ Notable changes between versions.
 
 ## Latest
 
+* Upgrade etcd from v3.2.15 to v3.3.1
+
 #### Addons
 
 * Update heapster from v1.5.0 to v1.5.1 ([#131](https://github.com/poseidon/typhoon/pull/131))
diff --git a/aws/container-linux/kubernetes/cl/controller.yaml.tmpl b/aws/container-linux/kubernetes/cl/controller.yaml.tmpl
index 9899fa32..390dfe0f 100644
--- a/aws/container-linux/kubernetes/cl/controller.yaml.tmpl
+++ b/aws/container-linux/kubernetes/cl/controller.yaml.tmpl
@@ -7,7 +7,7 @@ systemd:
         - name: 40-etcd-cluster.conf
           contents: |
             [Service]
-            Environment="ETCD_IMAGE_TAG=v3.2.15"
+            Environment="ETCD_IMAGE_TAG=v3.3.1"
             Environment="ETCD_NAME=${etcd_name}"
             Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
             Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
diff --git a/bare-metal/container-linux/kubernetes/cl/controller.yaml.tmpl b/bare-metal/container-linux/kubernetes/cl/controller.yaml.tmpl
index 38e21569..34664492 100644
--- a/bare-metal/container-linux/kubernetes/cl/controller.yaml.tmpl
+++ b/bare-metal/container-linux/kubernetes/cl/controller.yaml.tmpl
@@ -7,7 +7,7 @@ systemd:
         - name: 40-etcd-cluster.conf
           contents: |
             [Service]
-            Environment="ETCD_IMAGE_TAG=v3.2.15"
+            Environment="ETCD_IMAGE_TAG=v3.3.1"
             Environment="ETCD_NAME=${etcd_name}"
             Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${domain_name}:2379"
             Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${domain_name}:2380"
diff --git a/digital-ocean/container-linux/kubernetes/cl/controller.yaml.tmpl b/digital-ocean/container-linux/kubernetes/cl/controller.yaml.tmpl
index 625a5b58..5039bf9c 100644
--- a/digital-ocean/container-linux/kubernetes/cl/controller.yaml.tmpl
+++ b/digital-ocean/container-linux/kubernetes/cl/controller.yaml.tmpl
@@ -7,7 +7,7 @@ systemd:
         - name: 40-etcd-cluster.conf
           contents: |
             [Service]
-            Environment="ETCD_IMAGE_TAG=v3.2.15"
+            Environment="ETCD_IMAGE_TAG=v3.3.1"
             Environment="ETCD_NAME=${etcd_name}"
             Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
             Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
diff --git a/google-cloud/container-linux/kubernetes/controllers/cl/controller.yaml.tmpl b/google-cloud/container-linux/kubernetes/controllers/cl/controller.yaml.tmpl
index 773f8c98..5e431fac 100644
--- a/google-cloud/container-linux/kubernetes/controllers/cl/controller.yaml.tmpl
+++ b/google-cloud/container-linux/kubernetes/controllers/cl/controller.yaml.tmpl
@@ -7,7 +7,7 @@ systemd:
         - name: 40-etcd-cluster.conf
           contents: |
             [Service]
-            Environment="ETCD_IMAGE_TAG=v3.2.15"
+            Environment="ETCD_IMAGE_TAG=v3.3.1"
             Environment="ETCD_NAME=${etcd_name}"
             Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
             Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"