diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9737a26..0089ebf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -121,6 +121,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
+      pull-requests: write
 
     steps:
       - uses: actions/checkout@v6
@@ -143,19 +144,44 @@ jobs:
         # as required by the Obsidian community plugin format.
         run: npm run bundle --workspace=obsidian-plugin
 
+      - name: Sync Obsidian manifest metadata from tag
+        run: |
+          VERSION="${GITHUB_REF_NAME#v}"
+          npm run obsidian:sync-version -- "$VERSION"
+
       - name: Package Obsidian plugin zip
         # Obsidian community plugins are installed by dropping main.js + manifest.json
         # (+ optional styles.css) into the vault plugins folder. We zip them for the release.
         run: |
           VERSION="${GITHUB_REF_NAME#v}"
-          # Stamp manifest.json version to match the release tag
-          jq --arg v "$VERSION" '.version = $v' obsidian-plugin/manifest.json > tmp.json && mv tmp.json obsidian-plugin/manifest.json
           mkdir -p obsidian-plugin/dist
           cp obsidian-plugin/out/main.js  obsidian-plugin/dist/main.js
           cp obsidian-plugin/manifest.json obsidian-plugin/dist/manifest.json
           cd obsidian-plugin/dist
           zip "../../bindery-obsidian-${VERSION}.zip" main.js manifest.json
 
+      - name: Create PR to sync Obsidian release metadata on main
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "chore(obsidian): sync metadata for ${{ github.ref_name }}"
+          branch: "chore/obsidian-sync-${{ github.ref_name }}"
+          delete-branch: true
+          title: "chore(obsidian): sync manifests for ${{ github.ref_name }}"
+          body: |
+            This automated PR keeps Obsidian plugin metadata in sync with the tagged release.
+
+            Updated files:
+            - manifest.json
+            - obsidian-plugin/manifest.json
+            - obsidian-plugin/versions.json
+
+            Triggered by release tag `${{ github.ref_name }}`.
+          base: main
+          add-paths: |
+            manifest.json
+            obsidian-plugin/manifest.json
+            obsidian-plugin/versions.json
+
       - name: Upload Obsidian plugin zip to release
         uses: softprops/action-gh-release@v3
         with:
diff --git a/manifest.json b/manifest.json
index 2a12ff1..f93ec9f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,6 +5,6 @@
   "minAppVersion": "1.12.7",
   "description": "Typography formatting and multi-format export for book projects written in Markdown.",
   "author": "Erik van der Boom",
-  "authorUrl": "https://github.com/evdboom/Bindery",
+  "authorUrl": "https://evdboom.nl/projects/bindery",
   "isDesktopOnly": true
 }
diff --git a/obsidian-plugin/manifest.json b/obsidian-plugin/manifest.json
index 2a12ff1..f93ec9f 100644
--- a/obsidian-plugin/manifest.json
+++ b/obsidian-plugin/manifest.json
@@ -5,6 +5,6 @@
   "minAppVersion": "1.12.7",
   "description": "Typography formatting and multi-format export for book projects written in Markdown.",
   "author": "Erik van der Boom",
-  "authorUrl": "https://github.com/evdboom/Bindery",
+  "authorUrl": "https://evdboom.nl/projects/bindery",
   "isDesktopOnly": true
 }
diff --git a/package.json b/package.json
index e873954..797d4ab 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   "scripts": {
     "build": "npm run build -ws --if-present",
     "test": "npm run test -ws --if-present",
-    "build:core": "npm run build --workspace=bindery-core"
+    "build:core": "npm run build --workspace=bindery-core",
+    "obsidian:sync-version": "node ./scripts/sync-obsidian-version.mjs"
   }
 }
diff --git a/scripts/sync-obsidian-version.mjs b/scripts/sync-obsidian-version.mjs
new file mode 100644
index 0000000..d40f74f
--- /dev/null
+++ b/scripts/sync-obsidian-version.mjs
@@ -0,0 +1,73 @@
+#!/usr/bin/env node
+import { readFileSync, writeFileSync } from "node:fs";
+import { resolve } from "node:path";
+
+const AUTHOR_URL = "https://evdboom.nl/projects/bindery";
+
+function parseJson(filePath) {
+  return JSON.parse(readFileSync(filePath, "utf8"));
+}
+
+function writeJson(filePath, value) {
+  writeFileSync(filePath, `${JSON.stringify(value, null, 2)}\n`, "utf8");
+}
+
+function sortSemverKeys(keys) {
+  return [...keys].sort((a, b) => {
+    const pa = a.split(".").map(Number);
+    const pb = b.split(".").map(Number);
+    for (let i = 0; i < Math.max(pa.length, pb.length); i += 1) {
+      const na = Number.isFinite(pa[i]) ? pa[i] : 0;
+      const nb = Number.isFinite(pb[i]) ? pb[i] : 0;
+      if (na !== nb) {
+        return na - nb;
+      }
+    }
+    return 0;
+  });
+}
+
+function requireVersionArg() {
+  const raw = process.argv[2] || process.env.RELEASE_VERSION || process.env.GITHUB_REF_NAME || "";
+  const normalized = raw.replace(/^v/, "").trim();
+  if (!/^\d+\.\d+\.\d+$/.test(normalized)) {
+    throw new Error(`Expected version like 1.2.3, got: ${raw || "<empty>"}`);
+  }
+  return normalized;
+}
+
+const repoRoot = process.cwd();
+const rootManifestPath = resolve(repoRoot, "manifest.json");
+const pluginManifestPath = resolve(repoRoot, "obsidian-plugin", "manifest.json");
+const versionsPath = resolve(repoRoot, "obsidian-plugin", "versions.json");
+
+const version = requireVersionArg();
+
+const rootManifest = parseJson(rootManifestPath);
+const pluginManifest = parseJson(pluginManifestPath);
+const versions = parseJson(versionsPath);
+
+rootManifest.version = version;
+pluginManifest.version = version;
+
+rootManifest.authorUrl = AUTHOR_URL;
+pluginManifest.authorUrl = AUTHOR_URL;
+
+const minAppVersion = pluginManifest.minAppVersion || rootManifest.minAppVersion;
+if (!minAppVersion) {
+  throw new Error("Unable to determine minAppVersion from manifests.");
+}
+
+if (!versions[version]) {
+  versions[version] = minAppVersion;
+}
+const sortedVersions = {};
+for (const key of sortSemverKeys(Object.keys(versions))) {
+  sortedVersions[key] = versions[key];
+}
+
+writeJson(rootManifestPath, rootManifest);
+writeJson(pluginManifestPath, pluginManifest);
+writeJson(versionsPath, sortedVersions);
+
+console.log(`Synced Obsidian metadata for version ${version}`);