diff --git a/app/models/project.js b/app/models/project.js
index 5a1cc247..6331ee5a 100644
--- a/app/models/project.js
+++ b/app/models/project.js
@@ -10,6 +10,7 @@ export default class ProjectModel extends Model {
   @attr filter;
   @attr ignoreFiles;
   @attr('string') lastRelease;
+  @attr('string') tagName;
   @attr('string') name;
   @attr('string') repo;
 
@@ -18,6 +19,8 @@ export default class ProjectModel extends Model {
       return '';
     }
 
-    return `https://github.com/${this.repo}/blob/v${this.lastRelease}/${this.changelogPath}`;
+    const tagName = this.tagName ?? `v${this.lastRelease}`;
+
+    return `https://github.com/${this.repo}/blob/${tagName}/${this.changelogPath}`;
   }
 }
diff --git a/data/project/ember/beta.md b/data/project/ember/beta.md
index 77cc9d6a..7dc9c0bc 100644
--- a/data/project/ember/beta.md
+++ b/data/project/ember/beta.md
@@ -6,6 +6,7 @@ filter:
   - /ember-template-compiler/
 repo: emberjs/ember.js
 lastRelease: 6.5.0-beta.1 # Manually update See https://libraries.io/npm/ember-source throughout
+tagName: v6.5.0-beta.1-ember-source # Manually update
 channel: beta
 date: 2025-04-28 # Manually update, get date for `initialVersion`
 changelogPath: CHANGELOG.md
diff --git a/data/project/ember/release.md b/data/project/ember/release.md
index 7444f64a..65950cde 100644
--- a/data/project/ember/release.md
+++ b/data/project/ember/release.md
@@ -6,6 +6,7 @@ filter:
   - /ember-template-compiler/
 repo: emberjs/ember.js
 lastRelease: 6.4.0 # Manually update, see https://libraries.io/npm/ember-source throughout
+tagName: v6.4.0-ember-source # Manually update
 channel: release
 date: 2025-04-28 # Manually update, is today's date
 changelogPath: CHANGELOG.md
diff --git a/lib/content-data-generator/index.js b/lib/content-data-generator/index.js
index f8732629..4250caaa 100644
--- a/lib/content-data-generator/index.js
+++ b/lib/content-data-generator/index.js
@@ -97,6 +97,7 @@ const projectTree = new StaticSiteJson(`data/project`, {
     'filter',
     'repo',
     'lastRelease',
+    'tagName',
     'channel',
     'date',
     'changelogPath',