diff --git a/ensips/15.md b/ensips/15.md
index 69b180f..81c4fe9 100644
--- a/ensips/15.md
+++ b/ensips/15.md
@@ -1,11 +1,11 @@
 ---
-description: A standard for ENS name normalization.
+description: ENS name normalization.
 contributors:
   - raffy.eth
 ensip:
   status: final
   created: 2023-04-03
-ignoredRules: ["heading:description-of-", "heading:derivation", "heading:appendix:-reference-specifications", "heading:appendix:-additional-resources", "heading:appendix:-validation-tests", "heading:annex:-beautification"]
+ignoredRules: ["heading:description-of-", "heading:derivation", "heading:appendix:-reference-specifications", "heading:appendix:-additional-resources", "heading:appendix:-validation-tests", "heading:annex:-beautification", "heading:appendix:-updates"]
 ---
 
 # ENSIP-15: ENS Name Normalization Standard
@@ -30,7 +30,7 @@ This ENSIP standardizes Ethereum Name Service (ENS) name normalization process o
 
 ## Specification
 
-* Unicode version `16.0.0`
+* Unicode version [`17.0.0`](#appendix-updates)
 	* Normalization is a living specification and should use the latest stable version of Unicode.
 * [`spec.json`](https://github.com/adraffy/ens-normalize.js/blob/main/derive/output/spec.json) contains all [necessary data](#description-of-specjson) for normalization.
 * [`nf.json`](https://github.com/adraffy/ens-normalize.js/blob/main/derive/output/nf.json) contains all [necessary data](#description-of-nfjson) for [Unicode Normalization Forms](https://unicode.org/reports/tr15/) NFC and NFD.
@@ -493,3 +493,12 @@ Follow [algorithm](#algorithm), except:
 * Replace `3BE (ξ) GREEK SMALL LETTER XI` with `39E (Ξ) GREEK CAPITAL LETTER XI` if the label isn't *Greek*.
 * Example: `normalize("‐Ξ1️⃣") [2010 39E 31 FE0F 20E3]` is `"-ξ1⃣" [2D 3BE 31 20E3]`
 * Example: `beautify("-ξ1⃣") [2D 3BE 31 20E3]"` is `"-Ξ1️⃣" [2D 39E 31 FE0F 20E3]`
+
+## Appendix: Updates
+
+| Unicode | [Release](https://www.unicode.org/history/publicationdates.html#Release_Dates) | Updated | [SHA-256 of `spec.json`](https://github.com/adraffy/ens-normalize.js/blob/main/derive/data/releases.json)
+| :-:             | :--          | :--          | :--
+| `15.0.0`        | 2022-09-13 | 2023-02-21 | `962316964553fce6188e25a5166a4c1e906333adf53bdf2964c71dedc0f8e2c8`
+| `15.1.0`        | 2023-09-12 | 2024-01-25 | `1f6d3bdb7a724fe3b91f6d73ab14defcb719e0f4ab79022089c940e7e9c56b9c`
+| `16.0.0`        | 2024-09-10 | 2024-09-14 | `4b3c5210a328d7097500b413bf075ec210bbac045cd804deae5d1ed771304825`
+| `17.0.0`        | 2025-09-09 | 2025-09-18 | `4febc8f5d285cbf80d2320fb0c1777ac25e378eb72910c34ec963d0a4e319c84`