diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9c07b036b1f..5bd144ad4c93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+<a name="21.2.12"></a>
+# 21.2.12 "plastic-moose" (2026-05-20)
+### material
+| Commit | Type | Description |
+| -- | -- | -- |
+| [da87be7646](https://github.com/angular/components/commit/da87be76464d76ec11ae922abd5f4c72c5b4ea3e) | fix | **datepicker:** ensure dates don't overflow on a small screen ([#33281](https://github.com/angular/components/pull/33281)) |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="21.2.11"></a>
 # 21.2.11 "crystal ball" (2026-05-13)
 No user facing changes in this release
diff --git a/package.json b/package.json
index c8f922f8bda7..b5d4e7a0c191 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "ci-docs-monitor-test": "node --no-warnings=ExperimentalWarning --loader ts-node/esm/transpile-only scripts/docs-deploy/monitoring/ci-test.mts",
     "prepare": "husky"
   },
-  "version": "21.2.11",
+  "version": "21.2.12",
   "dependencies": {
     "@angular/compiler-cli": "catalog:",
     "@angular-devkit/core": "catalog:",