diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 49af909..600835d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.4.5"
+    ".": "0.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3813f5..cf07682 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.5.0](https://github.com/StackOneHQ/defender/compare/defender-v0.4.5...defender-v0.5.0) (2026-03-23)
+
+
+### Features
+
+* **ENG-12396:** upgrade ML classifier to jbv5 (AgentShield 73.7 → 81.1) ([#22](https://github.com/StackOneHQ/defender/issues/22)) ([51f50ce](https://github.com/StackOneHQ/defender/commit/51f50ce8af1859468ffb400bac3212a074cfaa6a))
+* **ENG-12397:** remove legacy MLP inference mode ([#23](https://github.com/StackOneHQ/defender/issues/23)) ([556dc38](https://github.com/StackOneHQ/defender/commit/556dc38af0148c5bac0580d6b63c11db7387b5d5))
+
 ## [0.4.5](https://github.com/StackOneHQ/defender/compare/defender-v0.4.4...defender-v0.4.5) (2026-03-12)
 
 
diff --git a/package-lock.json b/package-lock.json
index 6e59104..99c3489 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@stackone/defender",
-    "version": "0.4.5",
+    "version": "0.5.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@stackone/defender",
-            "version": "0.4.5",
+            "version": "0.5.0",
             "license": "Apache-2.0",
             "dependencies": {
                 "nanoid": "3.3.11"
diff --git a/package.json b/package.json
index 1151fec..67f7ccc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@stackone/defender",
-    "version": "0.4.5",
+    "version": "0.5.0",
     "description": "Prompt injection defense framework for AI tool-calling",
     "main": "dist/index.cjs",
     "module": "dist/index.mjs",