diff --git a/CHANGELOG.md b/CHANGELOG.md
index 285bed3..e032fcb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## pixii 2.1.6
+
+Record the SunSpec status specifications in the manifest so the upstream
+document watcher can detect changes. No runtime change from 2.1.5.
+
 ## pixii 2.1.5
 
 Treat unsupported SunSpec status values as unknown. An unknown or missing
diff --git a/SUPPORT_STATUS.md b/SUPPORT_STATUS.md
index dd3fc4e..e2f0952 100644
--- a/SUPPORT_STATUS.md
+++ b/SUPPORT_STATUS.md
@@ -112,8 +112,8 @@ Catalog source is not proof that a target can install or run a driver.
 | p1_hdlc | 2.0.2 | blixt-l1 | not_assessed | — | not_recorded | not_assessed |
 | p1_meter | 2.0.2 | ftw-core | not_assessed | — | not_recorded | not_assessed |
 | p1_meter | 2.0.2 | blixt-l1 | not_assessed | — | not_recorded | not_assessed |
-| pixii | 2.1.5 | ftw-core | not_assessed | — | not_recorded | not_assessed |
-| pixii | 2.1.5 | blixt-l1 | not_assessed | — | not_recorded | not_assessed |
+| pixii | 2.1.6 | ftw-core | not_assessed | — | not_recorded | not_assessed |
+| pixii | 2.1.6 | blixt-l1 | not_assessed | — | not_recorded | not_assessed |
 | pixii_pv | 0.3.2 | ftw-core | not_assessed | — | not_recorded | not_assessed |
 | pixii_pv | 0.3.2 | blixt-l1 | not_assessed | — | not_recorded | not_assessed |
 | saj | 1.2.0 | ftw-core | not_assessed | — | not_recorded | not_assessed |
diff --git a/devices.yaml b/devices.yaml
index 83f0291..e9ce5c1 100644
--- a/devices.yaml
+++ b/devices.yaml
@@ -1032,7 +1032,7 @@ manufacturers:
         protocols:
           - protocol: modbus
             driver: "pixii"
-            version: "2.1.5"
+            version: "2.1.6"
             ders: [battery, meter]
             control: false
         firmware_versions: ""
diff --git a/drivers/lua/pixii.lua b/drivers/lua/pixii.lua
index a16949b..e1f0dc7 100644
--- a/drivers/lua/pixii.lua
+++ b/drivers/lua/pixii.lua
@@ -29,7 +29,7 @@ DRIVER = {
   id           = "pixii",
   name         = "Pixii PowerShaper",
   manufacturer = "Pixii",
-  version      = "2.1.5",
+  version      = "2.1.6",
   protocols    = { "modbus" },
   capabilities = { "battery", "meter" },
   description  = "Pixii PowerShaper commercial battery storage via Modbus TCP.",
diff --git a/index.yaml b/index.yaml
index 0635f6f..adb3dac 100644
--- a/index.yaml
+++ b/index.yaml
@@ -498,14 +498,14 @@ drivers:
     size_bytes: 19344
     sha256: "29f2bd2f73c0d39d809839ca60b40c3e4281f1dda267ba2b26e66bd9ab80c27b"
   - name: "pixii"
-    version: "2.1.5"
+    version: "2.1.6"
     tier: core
     protocol: modbus
     connectivity: local
     ders: [battery, meter]
     control: false
     size_bytes: 28604
-    sha256: "d6e6dea5bb1924d34116768e01f843a50e13ecc5214704e2bd90e8025d05677e"
+    sha256: "160868e3c7836a87fd33eb26800023ed741c556b376b5e0ab10a4f0097cc3c63"
   - name: "pixii_pv"
     version: "0.3.2"
     tier: core
diff --git a/manifests/pixii.yaml b/manifests/pixii.yaml
index b1b39cd..b9565e5 100644
--- a/manifests/pixii.yaml
+++ b/manifests/pixii.yaml
@@ -1,5 +1,5 @@
 name: "pixii"
-version: "2.1.5"
+version: "2.1.6"
 tier: core
 author: "Sourceful Labs AB and community contributors"
 protocol: modbus
@@ -15,9 +15,18 @@ tested_devices:
     notes: ""
     min_driver_version: "1.1.0"
 min_host_version: "2.0.0"
+upstream_docs:
+  - url: "https://sunspec.org/wp-content/uploads/2025/01/SunSpec-Device-Information-Model-Specificiation-V1-1-final-1.pdf"
+    title: "SunSpec Device Information Model 1.1: unsupported enum16 and uint16 values"
+    kind: manual
+    url_stability: stable
+  - url: "https://raw.githubusercontent.com/sunspec/models/master/smdx/smdx_00802.xml"
+    title: "SunSpec model 802: battery charge and control states"
+    kind: register_map
+    url_stability: stable
 size_bytes: 28604
 dkb_id: "pixii"
-sha256: "d6e6dea5bb1924d34116768e01f843a50e13ecc5214704e2bd90e8025d05677e"
+sha256: "160868e3c7836a87fd33eb26800023ed741c556b376b5e0ab10a4f0097cc3c63"
 signature: ""
 
 bytecode_sha256: ""
diff --git a/support-status.json b/support-status.json
index 50a1c95..d6ebff8 100644
--- a/support-status.json
+++ b/support-status.json
@@ -1136,7 +1136,7 @@
     },
     {
       "catalog_source": true,
-      "catalog_version": "2.1.5",
+      "catalog_version": "2.1.6",
       "driver_id": "pixii",
       "targets": {
         "blixt-l1": {