diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fd717d..64b6e75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v1.2.1 — 2026-03-27
+
+### Bug Fixes
+
+- **Achievable status accuracy** — specializations marked "Achievable" are now verified via LP feasibility check against already-achieved specs; previously, a specialization could show "Achievable" based on raw credit potential while actually being infeasible due to credit sharing with higher-priority achieved specializations
+
 ## v1.2.0 — 2026-03-27
 
 ### Changes
diff --git a/app/vite.config.ts b/app/vite.config.ts
index a07906f..e05c90b 100644
--- a/app/vite.config.ts
+++ b/app/vite.config.ts
@@ -6,7 +6,7 @@ import react from '@vitejs/plugin-react'
 export default defineConfig({
   plugins: [react()],
   define: {
-    __APP_VERSION__: JSON.stringify('1.2.0'),
+    __APP_VERSION__: JSON.stringify('1.2.1'),
     __APP_VERSION_DATE__: JSON.stringify('2026-03-27'),
   },
   server: {