diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c96c3d031d3..1ff2e6d67d2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,10 +1,10 @@
 {
-  ".": "0.12.0",
+  ".": "0.12.1",
   "packages/branding": "0.1.1",
   "packages/bridge-ui": "0.7.0",
   "packages/eventindexer": "0.4.0",
   "packages/protocol": "0.7.0",
-  "packages/relayer": "0.5.0",
+  "packages/relayer": "0.5.1",
   "packages/status-page": "0.8.0",
   "packages/website": "0.7.0",
   "packages/whitepaper": "1.4.0"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02c666176ee..f63ffb6c9ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.12.1](https://github.com/taikoxyz/taiko-mono/compare/taiko-mono-v0.12.0...taiko-mono-v0.12.1) (2023-05-12)
+
+
+### Bug Fixes
+
+* **relayer:** catch relayer message processing up to latest protocol changes ([#13746](https://github.com/taikoxyz/taiko-mono/issues/13746)) ([e3746ee](https://github.com/taikoxyz/taiko-mono/commit/e3746ee1980dade609ac190d27183a6a5b94f4df))
+
 ## [0.12.0](https://github.com/taikoxyz/taiko-mono/compare/taiko-mono-v0.11.0...taiko-mono-v0.12.0) (2023-05-11)
 
 
diff --git a/package-lock.json b/package-lock.json
index a359bc7a1c7..09d626099e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "taiko-mono",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "taiko-mono",
-      "version": "0.12.0",
+      "version": "0.12.1",
       "devDependencies": {
         "husky": "^8.0.3"
       }
diff --git a/package.json b/package.json
index ea6ae317298..2b1a8f038ff 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "taiko-mono",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "private": true,
   "scripts": {
     "prepare": "husky install"
diff --git a/packages/relayer/CHANGELOG.md b/packages/relayer/CHANGELOG.md
index 174cb8edc33..b7b5cbdd39f 100644
--- a/packages/relayer/CHANGELOG.md
+++ b/packages/relayer/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.1](https://github.com/taikoxyz/taiko-mono/compare/relayer-v0.5.0...relayer-v0.5.1) (2023-05-12)
+
+
+### Bug Fixes
+
+* **relayer:** catch relayer message processing up to latest protocol changes ([#13746](https://github.com/taikoxyz/taiko-mono/issues/13746)) ([e3746ee](https://github.com/taikoxyz/taiko-mono/commit/e3746ee1980dade609ac190d27183a6a5b94f4df))
+
 ## [0.5.0](https://github.com/taikoxyz/taiko-mono/compare/relayer-v0.4.1...relayer-v0.5.0) (2023-05-11)
 
 
diff --git a/packages/relayer/package.json b/packages/relayer/package.json
index 4314e0ea66c..c90432b899b 100644
--- a/packages/relayer/package.json
+++ b/packages/relayer/package.json
@@ -1,5 +1,5 @@
 {
   "name": "@taiko/relayer",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "private": true
 }