diff --git a/README.md b/README.md
index 2a9daa06..fad189f1 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ This environment is meant for headless testing (e.g. in a CI environment, or whe
 Once the operator is deployed, you can visit the Tower UI in your browser by following these steps:
 
   1. Make sure you have an entry like `IP_ADDRESS  example-tower.test` in your `/etc/hosts` file. (Get the IP address with `minikube ip`.)
-  2. Visit `http://example-tower.test/` in your browser.
+  2. Visit `http://example-tower.test/` in your browser. (Default admin login is `test`/`changeme`.)
 
 ### Release Process
 
@@ -148,11 +148,11 @@ Each of these must be appropriately built in preparation for a new tag:
 
 Run the following command inside this directory:
 
-    operator-sdk build geerlingguy/tower-operator:0.2.5
+    operator-sdk build geerlingguy/tower-operator:0.2.6
 
 Then push the generated image to Docker Hub:
 
-    docker push geerlingguy/tower-operator:0.2.5
+    docker push geerlingguy/tower-operator:0.2.6
 
 #### Build a new version of the `tower-operator.yaml` file
 
diff --git a/build/Dockerfile b/build/Dockerfile
index d1de7374..e82b5f1d 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,7 +1,7 @@
-FROM quay.io/operator-framework/ansible-operator:v0.16.0
+FROM quay.io/operator-framework/ansible-operator:v0.17.0
 
 # Install kubectl.
-COPY --from=lachlanevenson/k8s-kubectl:v1.16.5 /usr/local/bin/kubectl /usr/local/bin/kubectl
+COPY --from=lachlanevenson/k8s-kubectl:v1.18.3 /usr/local/bin/kubectl /usr/local/bin/kubectl
 
 # Install Ansible requirements.
 COPY requirements.yml ${HOME}/requirements.yml
diff --git a/build/chain-operator-files.yml b/build/chain-operator-files.yml
index 427a813a..817628ff 100644
--- a/build/chain-operator-files.yml
+++ b/build/chain-operator-files.yml
@@ -6,7 +6,7 @@
   gather_facts: false
 
   vars:
-    operator_image: geerlingguy/tower-operator:0.2.5
+    operator_image: geerlingguy/tower-operator:0.2.6
     pull_policy: Always
     operator_file_path: "../deploy/tower-operator.yaml"
     operator_template: "../deploy/operator.yaml"
diff --git a/deploy/crds/tower_v1alpha1_tower_cr_tower.yaml b/deploy/crds/tower_v1alpha1_tower_cr_tower.yaml
index 95004099..6752d71b 100644
--- a/deploy/crds/tower_v1alpha1_tower_cr_tower.yaml
+++ b/deploy/crds/tower_v1alpha1_tower_cr_tower.yaml
@@ -15,8 +15,8 @@ spec:
   tower_admin_email: test@example.com
   tower_admin_password: changeme
 
-  tower_task_image: quay.io/ansible-tower/ansible-tower:3.6.3
-  tower_web_image: quay.io/ansible-tower/ansible-tower:3.6.3
+  tower_task_image: quay.io/ansible-tower/ansible-tower:3.6.4
+  tower_web_image: quay.io/ansible-tower/ansible-tower:3.6.4
 
   tower_task_mem_request: 1Gi
   tower_task_cpu_request: 500m
diff --git a/deploy/tower-operator.yaml b/deploy/tower-operator.yaml
index b279174b..14d56c16 100644
--- a/deploy/tower-operator.yaml
+++ b/deploy/tower-operator.yaml
@@ -113,14 +113,14 @@ spec:
             - /usr/local/bin/ao-logs
             - /tmp/ansible-operator/runner
             - stdout
-          image: "geerlingguy/tower-operator:0.2.5"
+          image: "geerlingguy/tower-operator:0.2.6"
           imagePullPolicy: "Always"
           volumeMounts:
             - mountPath: /tmp/ansible-operator/runner
               name: runner
               readOnly: true
         - name: operator
-          image: "geerlingguy/tower-operator:0.2.5"
+          image: "geerlingguy/tower-operator:0.2.6"
           imagePullPolicy: "Always"
           volumeMounts:
             - mountPath: /tmp/ansible-operator/runner
diff --git a/roles/tower/defaults/main.yml b/roles/tower/defaults/main.yml
index 0a45958d..ec06b098 100644
--- a/roles/tower/defaults/main.yml
+++ b/roles/tower/defaults/main.yml
@@ -10,8 +10,8 @@ tower_admin_email: test@example.com
 tower_admin_password: changeme
 
 # Use these image versions for Ansible Tower.
-tower_task_image: quay.io/ansible-tower/ansible-tower:3.6.3
-tower_web_image: quay.io/ansible-tower/ansible-tower:3.6.3
+tower_task_image: quay.io/ansible-tower/ansible-tower:3.6.4
+tower_web_image: quay.io/ansible-tower/ansible-tower:3.6.4
 
 # Use these image versions for Ansible AWX.
 # tower_task_image: ansible/awx_task:9.2.0