diff --git a/docs/release-notes.md b/docs/release-notes.md
index 22387549f..975f01e49 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -22,6 +22,7 @@
   * Fixed redundant `TRACE` logs for a broken mod which references members with the wrong types.
 
 * For the web UI:
+  * Updated JSON validator for Content Patcher 2.0.0.
   * Fixed uploaded log/JSON file expiry alway shown as renewed.
   * Fixed update check for mods with a prerelease version tag not recognized by the ModDrop API. SMAPI now parses the version itself if needed.
 
diff --git a/src/SMAPI.Web/wwwroot/schemas/content-patcher.json b/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
index bd9e74272..6dc433e29 100644
--- a/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
+++ b/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
@@ -14,7 +14,7 @@
             "title": "Format version",
             "description": "The format version. You should always use the latest version to enable the latest features, avoid obsolete behavior, and reduce load times.",
             "type": "string",
-            "pattern": "^1\\.29\\.[0-9]+$",
+            "pattern": "^2\\.0\\.[0-9]+$",
             "@errorMessages": {
                 "pattern": "Incorrect value '@value'. You should always use the latest format version (currently 1.29.0) to enable the latest features, avoid obsolete behavior, and reduce load times."
             }