diff --git a/changelog.md b/changelog.md
index be1c34f..06c7407 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2026-03-05 - 11.0.31 - fix(deps)
+bump @git.zone/tsbuild devDependency to ^4.1.20
+
+- Updated devDependency @git.zone/tsbuild from ^4.1.19 to ^4.1.20
+
 ## 2026-03-05 - 11.0.30 - fix(devDependencies)
 bump @git.zone/tsbuild devDependency to ^4.1.19
 
diff --git a/package.json b/package.json
index d1e0e5e..c4edf55 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "watch": "tswatch"
   },
   "devDependencies": {
-    "@git.zone/tsbuild": "^4.1.19",
+    "@git.zone/tsbuild": "^4.1.20",
     "@git.zone/tsbundle": "^2.9.0",
     "@git.zone/tsrun": "^2.0.1",
     "@git.zone/tstest": "^3.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2f37bfb..3dce98d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -115,8 +115,8 @@ importers:
         version: 13.0.0
     devDependencies:
       '@git.zone/tsbuild':
-        specifier: ^4.1.19
-        version: 4.1.19
+        specifier: ^4.1.20
+        version: 4.1.20
       '@git.zone/tsbundle':
         specifier: ^2.9.0
         version: 2.9.0
@@ -538,8 +538,8 @@ packages:
     resolution: {integrity: sha512-YTVITFGN0/24PxzXrwqCgnyd7njDuzp5ZvaCx5nq/jg55kUYd94Nj8UTchBdBofi/L0nwRfjGOg0E41d2u9T1w==}
     engines: {node: '>=6'}
 
-  '@git.zone/tsbuild@4.1.19':
-    resolution: {integrity: sha512-iPUbX7kHLC6zQHONfXiQVMxzSa5V9gcGzBziIhnPc2iwrviEQ8FFDBJx+koUF+w5Q6R07NmnfDWa37Qf0ZMEOg==}
+  '@git.zone/tsbuild@4.1.20':
+    resolution: {integrity: sha512-EqsUrrv1KyjgLhqGB6gMtu1ng56ZQMlOZm7urJsYRb6KynX77JgSoxGoBtg0+mKsrx4Czx3MWZZ581tx0hYNnQ==}
     hasBin: true
 
   '@git.zone/tsbundle@2.9.0':
@@ -4860,7 +4860,7 @@ snapshots:
     dependencies:
       '@fortawesome/fontawesome-common-types': 7.2.0
 
-  '@git.zone/tsbuild@4.1.19':
+  '@git.zone/tsbuild@4.1.20':
     dependencies:
       '@git.zone/tspublish': 1.11.2
       '@push.rocks/early': 4.0.4
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index ba025fa..253a873 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '11.0.30',
+  version: '11.0.31',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }
diff --git a/ts_web/00_commitinfo_data.ts b/ts_web/00_commitinfo_data.ts
index ba025fa..253a873 100644
--- a/ts_web/00_commitinfo_data.ts
+++ b/ts_web/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '11.0.30',
+  version: '11.0.31',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }