diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index beea3f7..1fd56a9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.3.1"
+    ".": "0.4.0"
 }
diff --git a/package.json b/package.json
index 73e6820..a03b52c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@stackone/defender",
-    "version": "0.3.1",
+    "version": "0.4.0",
     "description": "Prompt injection defense framework for AI tool-calling",
     "main": "dist/index.cjs",
     "module": "dist/index.mjs",