diff --git a/changelog.md b/changelog.md
index e53c2a6..45176fa 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 2026-01-20 - 1.15.2 - fix(dev-deps)
+bump devDependencies @push.rocks/smartagent to ^1.6.2 and @push.rocks/smartai to ^0.13.3
+
+- Bumped @push.rocks/smartagent from ^1.5.4 to ^1.6.2 in devDependencies
+- Bumped @push.rocks/smartai from ^0.13.2 to ^0.13.3 in devDependencies
+- Updated test/test.invoices.nanonets.ts JSON extraction prompt: instruct not to omit special characters in invoice_number and to use the json validate tool
+- No breaking changes; only dev dependency updates and test prompt adjustments
+
 ## 2026-01-20 - 1.15.1 - fix(tests)
 enable progress events in invoice tests and bump @push.rocks/smartagent devDependency to ^1.5.4
 
diff --git a/package.json b/package.json
index 0e79fe8..54e216c 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,8 @@
   "devDependencies": {
     "@git.zone/tsrun": "^2.0.1",
     "@git.zone/tstest": "^3.1.5",
-    "@push.rocks/smartagent": "^1.5.4",
-    "@push.rocks/smartai": "^0.13.2"
+    "@push.rocks/smartagent": "^1.6.2",
+    "@push.rocks/smartai": "^0.13.3"
   },
   "repository": {
     "type": "git",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7a59617..215720f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -19,11 +19,11 @@ importers:
         specifier: ^3.1.5
         version: 3.1.6(socks@2.8.7)(typescript@5.9.3)
       '@push.rocks/smartagent':
-        specifier: ^1.5.4
-        version: 1.5.4(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
+        specifier: ^1.6.2
+        version: 1.6.2(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
       '@push.rocks/smartai':
-        specifier: ^0.13.2
-        version: 0.13.2(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
+        specifier: ^0.13.3
+        version: 0.13.3(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
 
 packages:
 
@@ -868,11 +868,11 @@ packages:
   '@push.rocks/qenv@6.1.3':
     resolution: {integrity: sha512-+z2hsAU/7CIgpYLFqvda8cn9rUBMHqLdQLjsFfRn5jPoD7dJ5rFlpkbhfM4Ws8mHMniwWaxGKo+q/YBhtzRBLg==}
 
-  '@push.rocks/smartagent@1.5.4':
-    resolution: {integrity: sha512-W5DoG0MUY6oAvxMcMC0M0ZmMmjs6zs8WcDnz5jVcg74vD3oaSguJjcokjB4L4Tv1dzEhq0ArDOnaC2C0Lf3z7w==}
+  '@push.rocks/smartagent@1.6.2':
+    resolution: {integrity: sha512-JaYZ7tRbmS0fVrF73Z+RF9plJ/Va0H+81zvEACT8YZRf+WhhIT+P7kKh7IcTRrgudtA7aw6eVXUmOGCMeszm3Q==}
 
-  '@push.rocks/smartai@0.13.2':
-    resolution: {integrity: sha512-FqnHh31tU0Nkr/g25UMAjjE7gZVN8cuioRlSq1xo19rS9kyMiux+UzpylO2tgXF5S+lTsw5cGtfP0BUfrxlTGg==}
+  '@push.rocks/smartai@0.13.3':
+    resolution: {integrity: sha512-VDZzHs101hpGMmUaectuLfcME4kHpuOS7o5ffuGk5lYl383foyAN71+5v441jpk/gLDNf2KhDACR/d2O4n90Ag==}
 
   '@push.rocks/smartarchive@5.2.1':
     resolution: {integrity: sha512-TNv5q6QuBRX7jrzffiyb6A8AALNAr0kyAcJswa0l3ahBP1Q6zszNo9xOVXmW2gKX2KShtO/Y+Cn0i46n8lbnaQ==}
@@ -5206,9 +5206,9 @@ snapshots:
       '@push.rocks/smartlog': 3.1.10
       '@push.rocks/smartpath': 6.0.0
 
-  '@push.rocks/smartagent@1.5.4(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)':
+  '@push.rocks/smartagent@1.6.2(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)':
     dependencies:
-      '@push.rocks/smartai': 0.13.2(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
+      '@push.rocks/smartai': 0.13.3(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)
       '@push.rocks/smartbrowser': 2.0.8(typescript@5.9.3)
       '@push.rocks/smartdeno': 1.2.0
       '@push.rocks/smartfs': 1.3.1
@@ -5230,7 +5230,7 @@ snapshots:
       - ws
       - zod
 
-  '@push.rocks/smartai@0.13.2(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)':
+  '@push.rocks/smartai@0.13.3(typescript@5.9.3)(ws@8.19.0)(zod@3.25.76)':
     dependencies:
       '@anthropic-ai/sdk': 0.71.2(zod@3.25.76)
       '@mistralai/mistralai': 1.12.0
diff --git a/test/test.invoices.nanonets.ts b/test/test.invoices.nanonets.ts
index 28ae3c4..9afee1e 100644
--- a/test/test.invoices.nanonets.ts
+++ b/test/test.invoices.nanonets.ts
@@ -78,7 +78,7 @@ Page numbers should be wrapped in brackets. Ex: <page_number>14</page_number>.`;
 const JSON_EXTRACTION_PROMPT = `Extract key fields from the invoice. Return ONLY valid JSON.
 
 WHERE TO FIND DATA:
-- invoice_number, invoice_date, vendor_name: Look in the HEADER section at the TOP of PAGE 1 (near "Invoice no.", "Invoice date:", "Rechnungsnummer"). Use common sense. Btw. an invoice number might start on INV* .
+- invoice_number, invoice_date, vendor_name: Look in the HEADER section at the TOP of PAGE 1 (near "Invoice no.", "Invoice date:", "Rechnungsnummer"). Use common sense. Btw. an invoice number might start on INV* . Also be sure to not omit special chars like / - and sp on. They are part of the invoice number.
 - net_amount, vat_amount, total_amount: Look in the SUMMARY section at the BOTTOM (look for "Total", "Amount due", "Gesamtbetrag")
 
 RULES:
@@ -93,7 +93,7 @@ RULES:
 JSON only:
 {"invoice_number":"X","invoice_date":"YYYY-MM-DD","vendor_name":"X","currency":"EUR","net_amount":0,"vat_amount":0,"total_amount":0}
 
-Double check for valid JSON syntax.
+Double check for valid JSON syntax. use the json validate tool.
 
 `;