diff --git a/CHANGELOG.md b/CHANGELOG.md
index 717c4cb..1e550ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to the independently versioned Toolbox SDK packages are
 recorded here. The packages currently share one release version.
 
+## 0.1.1 — 2026-07-20
+
+### Fixed
+
+- Reject C0 and DEL control characters consistently in manifest and catalogue
+  URL references across runtime parsing, URL resolution, and the published JSON
+  Schemas.
+
 ## 0.1.0 — 2026-07-20
 
 ### Added
diff --git a/package-lock.json b/package-lock.json
index 0b24d67..12832e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@add-ideas/toolbox-sdk-workspace",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@add-ideas/toolbox-sdk-workspace",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "Apache-2.0",
       "workspaces": [
         "packages/*"
@@ -3946,7 +3946,7 @@
     },
     "packages/contract": {
       "name": "@add-ideas/toolbox-contract",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=20"
@@ -3954,10 +3954,10 @@
     },
     "packages/shell-react": {
       "name": "@add-ideas/toolbox-shell-react",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "@add-ideas/toolbox-contract": "0.1.0"
+        "@add-ideas/toolbox-contract": "0.1.1"
       },
       "peerDependencies": {
         "react": ">=18 <20",
@@ -3966,10 +3966,10 @@
     },
     "packages/testkit": {
       "name": "@add-ideas/toolbox-testkit",
-      "version": "0.1.0",
+      "version": "0.1.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "@add-ideas/toolbox-contract": "0.1.0"
+        "@add-ideas/toolbox-contract": "0.1.1"
       },
       "bin": {
         "toolbox-check": "dist/cli.js"
diff --git a/package.json b/package.json
index 287753b..b61238e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@add-ideas/toolbox-sdk-workspace",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "private": true,
   "description": "A small, framework-neutral toolbox contract with a React application shell.",
   "license": "Apache-2.0",
diff --git a/packages/contract/package.json b/packages/contract/package.json
index 02b3bb5..05052e8 100644
--- a/packages/contract/package.json
+++ b/packages/contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@add-ideas/toolbox-contract",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Runtime-validated manifests, catalogs, discovery, and URL helpers for toolbox applications.",
   "license": "Apache-2.0",
   "repository": {
diff --git a/packages/shell-react/package.json b/packages/shell-react/package.json
index f766439..1bcf687 100644
--- a/packages/shell-react/package.json
+++ b/packages/shell-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@add-ideas/toolbox-shell-react",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "A lightweight React application shell for toolbox-compatible browser applications.",
   "license": "Apache-2.0",
   "repository": {
@@ -38,7 +38,7 @@
     "react-dom": ">=18 <20"
   },
   "dependencies": {
-    "@add-ideas/toolbox-contract": "0.1.0"
+    "@add-ideas/toolbox-contract": "0.1.1"
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json && node -e \"const fs=require('node:fs');fs.copyFileSync('src/styles.css','dist/styles.css');fs.copyFileSync('../../LICENSE','LICENSE')\"",
diff --git a/packages/testkit/package.json b/packages/testkit/package.json
index 2d3a8c3..69fbea8 100644
--- a/packages/testkit/package.json
+++ b/packages/testkit/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@add-ideas/toolbox-testkit",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Manifest, asset, and nested-deployment smoke checks for built toolbox applications.",
   "license": "Apache-2.0",
   "repository": {
@@ -37,7 +37,7 @@
   },
   "types": "./dist/index.d.ts",
   "dependencies": {
-    "@add-ideas/toolbox-contract": "0.1.0"
+    "@add-ideas/toolbox-contract": "0.1.1"
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json && node -e \"const fs=require('node:fs');fs.chmodSync('dist/cli.js',0o755);fs.copyFileSync('../../LICENSE','LICENSE')\"",