diff --git a/app/utils/ember-versions.js b/app/utils/ember-versions.js
index 138ec7d..26a8499 100644
--- a/app/utils/ember-versions.js
+++ b/app/utils/ember-versions.js
@@ -106,5 +106,5 @@ export const VERSIONS = Object.freeze([
   '5.8',
   '5.9',
   '5.10',
-  '5.11',
+  '5.12',
 ]);
diff --git a/source/ember-cli-changes/5.12.md b/source/ember-cli-changes/5.12.md
new file mode 100644
index 0000000..c6d13e4
--- /dev/null
+++ b/source/ember-cli-changes/5.12.md
@@ -0,0 +1,4 @@
+---
+version: "5.12"
+changes:
+---
diff --git a/source/ember-js-changes/5.12.md b/source/ember-js-changes/5.12.md
new file mode 100644
index 0000000..c6d13e4
--- /dev/null
+++ b/source/ember-js-changes/5.12.md
@@ -0,0 +1,4 @@
+---
+version: "5.12"
+changes:
+---