diff --git a/_config.yml b/_config.yml
index 01c53dd6c8..91ec4b2e3f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -105,7 +105,7 @@ defaults:
     values:
       ucp_version: "2.1"
       dtr_version: "2.2"
-      docker_image: "docker/dtr:2.2.0"
+      docker_image: "docker/dtr:2.2.1"
   -
     scope:
       path: "datacenter/dtr/2.1"
diff --git a/_data/ddc_offline_files.yaml b/_data/ddc_offline_files.yaml
index af0d5c86f3..e59911416e 100644
--- a/_data/ddc_offline_files.yaml
+++ b/_data/ddc_offline_files.yaml
@@ -8,6 +8,8 @@
   tar-files:
     - description: "UCP 2.1.0"
       url: https://packages.docker.com/caas/ucp_images_2.1.0.tar.gz
+    - description: "DTR 2.2.1"
+      url: https://packages.docker.com/caas/dtr-2.2.1.tar.gz
     - description: "DTR 2.2.0"
       url: https://packages.docker.com/caas/dtr-2.2.0.tar.gz
 - ucp-version: "2.0"
diff --git a/datacenter/dtr/2.2/guides/admin/upgrade/release-notes.md b/datacenter/dtr/2.2/guides/admin/upgrade/release-notes.md
index a36d52c255..4fadb8a990 100644
--- a/datacenter/dtr/2.2/guides/admin/upgrade/release-notes.md
+++ b/datacenter/dtr/2.2/guides/admin/upgrade/release-notes.md
@@ -10,6 +10,18 @@ known issues for each DTR version.
 You can then use [the upgrade instructions](index.md),
 to upgrade your installation to the latest release.
 
+## DTR 2.2.1
+
+(9 Feb 2017)
+
+**Bugs fixed**
+
+* Webhooks triggered on a security scan now have information about vulnerabilities
+* The web UI now displays tag details and security scanning information for
+images pushed before the upgrade
+* When multiple tags shared the same manifest, the UI only displayed a single
+tag. This has been fixed
+
 ## DTR 2.2.0
 
 (9 Feb 2017)