diff --git a/package-lock.json b/package-lock.json
index 93fa5c6..906c779 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
-        "@simular-ai/simulang-js": ">=0.0.1"
+        "@simular-ai/simulang-js": ">=12.1.1"
       },
       "bin": {
         "simulang": "dist/bin/simulang.js"
@@ -373,9 +373,9 @@
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     "node_modules/@simular-ai/simulang-js": {
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-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js/-/simulang-js-6.0.0.tgz",
-      "integrity": "sha512-WT9cclSn2XOq87TuhAkACU1P+NGC5qjPDLtAt4o1qkldppDrp5Z5T4h+D/70QEqQJqo6uSUABFa1W1ioy5CGgg==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js/-/simulang-js-12.1.1.tgz",
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       "hasInstallScript": true,
       "license": "MIT",
       "bin": {
@@ -385,18 +385,18 @@
         "node": ">= 20"
       },
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-        "@simular-ai/simulang-js-darwin-arm64": "6.0.0",
-        "@simular-ai/simulang-js-darwin-x64": "6.0.0",
-        "@simular-ai/simulang-js-linux-arm64-gnu": "6.0.0",
-        "@simular-ai/simulang-js-linux-x64-gnu": "6.0.0",
-        "@simular-ai/simulang-js-win32-arm64-msvc": "6.0.0",
-        "@simular-ai/simulang-js-win32-x64-msvc": "6.0.0"
+        "@simular-ai/simulang-js-darwin-arm64": "12.1.1",
+        "@simular-ai/simulang-js-darwin-x64": "12.1.1",
+        "@simular-ai/simulang-js-linux-arm64-gnu": "12.1.1",
+        "@simular-ai/simulang-js-linux-x64-gnu": "12.1.1",
+        "@simular-ai/simulang-js-win32-arm64-msvc": "12.1.1",
+        "@simular-ai/simulang-js-win32-x64-msvc": "12.1.1"
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     "node_modules/@simular-ai/simulang-js-darwin-arm64": {
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-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-darwin-arm64/-/simulang-js-darwin-arm64-6.0.0.tgz",
-      "integrity": "sha512-RlzO+FQY0d9S8OKMkHz71fyNCm85i4kko1hItSEiuKtNR4KMiohV/oSUhr4ixBpO6hTfwmAX3OGR1GIxEyO/lw==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-darwin-arm64/-/simulang-js-darwin-arm64-12.1.1.tgz",
+      "integrity": "sha512-1e18XnytgD/hN1HXwFTkrMfmEmRrGLtf9ZsO2C8vbsITadILbNWzkPKxxXpiNFsa75rKmMsPSBQyqAJllJoyjQ==",
       "cpu": [
         "arm64"
       ],
@@ -410,9 +410,9 @@
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     },
     "node_modules/@simular-ai/simulang-js-darwin-x64": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-darwin-x64/-/simulang-js-darwin-x64-6.0.0.tgz",
-      "integrity": "sha512-Pn4e6b09AbMO73DGaLN1UhhDHSvlHFnEWjeWNv5jhC7mtrdBOgJvLsmr1HEeTmtobFp7LC5Xio9JJF/ZHvYWZg==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-darwin-x64/-/simulang-js-darwin-x64-12.1.1.tgz",
+      "integrity": "sha512-d5zTRMfRZr2hMQdmzP7iPyhbZLOSM69YKpnKMRu+tUEt+AIytHp7vH5PryMhIWG2tB3n4OgCHwanNj8La6f/sg==",
       "cpu": [
         "x64"
       ],
@@ -426,9 +426,9 @@
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-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-linux-arm64-gnu/-/simulang-js-linux-arm64-gnu-6.0.0.tgz",
-      "integrity": "sha512-TgHwefMcJQEYg+HR8u6B3cVOpqPUzSgAKGv5pWkrlejtzN9aAuIYS21vimmqhm5nJIo7JNN6mQqtX+WnK8+xQw==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-linux-arm64-gnu/-/simulang-js-linux-arm64-gnu-12.1.1.tgz",
+      "integrity": "sha512-TmRQ8ALQYkWyBdC5V4S+cAhUbS81PYCSmMAXyC1Ksb4tsWyGdQuooZ9oAzUZgm41ecrypqegaRzYFAo6ymP6Cg==",
       "cpu": [
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@@ -445,9 +445,9 @@
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     "node_modules/@simular-ai/simulang-js-linux-x64-gnu": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-linux-x64-gnu/-/simulang-js-linux-x64-gnu-6.0.0.tgz",
-      "integrity": "sha512-YTx1yrmXoF5zM+8GBoP+AVWzIgadYJYJqtJtb74ksr4UoBiycqEA2oNO2+Q0mOsOP02ae60SF9xZ8TGxpv1mng==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-linux-x64-gnu/-/simulang-js-linux-x64-gnu-12.1.1.tgz",
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       "cpu": [
         "x64"
       ],
@@ -464,9 +464,9 @@
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     "node_modules/@simular-ai/simulang-js-win32-arm64-msvc": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-win32-arm64-msvc/-/simulang-js-win32-arm64-msvc-6.0.0.tgz",
-      "integrity": "sha512-0PuiKDEfku5h0MQytjd+nO2kqXE8rEBbBW1F2CJWlzNVEa3jrjrAyO4u4qQx+dGfL8V7T0aUtEtZ2wjfH/cCyw==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-win32-arm64-msvc/-/simulang-js-win32-arm64-msvc-12.1.1.tgz",
+      "integrity": "sha512-oOafTZ7zrNItD6TrXrH/qY9uvmmge5uh7oYat25nUnKnRpl8MhbywfLx46v4ds7RHfcDf2MonaBlhICbKa/iPg==",
       "cpu": [
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@@ -480,9 +480,9 @@
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-      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-win32-x64-msvc/-/simulang-js-win32-x64-msvc-6.0.0.tgz",
-      "integrity": "sha512-031qpQXtyTo8nmKqVrFAMdoqOaxFpCbc3EVT+xF3KVANN9JLA9W3xoLAmWDZk5zjMghgko1EwE4ITUx9hPO+dg==",
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@simular-ai/simulang-js-win32-x64-msvc/-/simulang-js-win32-x64-msvc-12.1.1.tgz",
+      "integrity": "sha512-R7iEx9v6v5inOwyALoQ/IKG/pIKDBILqFVXIpD19Bl/Snu+zb2xNVFkiwGGwgzVwm7ciZL3Mvu2udo1d6LxvWw==",
       "cpu": [
         "x64"
       ],
diff --git a/package.json b/package.json
index 88c5404..8b59b3e 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "access": "public"
   },
   "dependencies": {
-    "@simular-ai/simulang-js": ">=0.0.1"
+    "@simular-ai/simulang-js": ">=12.1.1"
   },
   "scripts": {
     "build": "node -e \"require('node:fs').rmSync('./dist', { recursive: true, force: true })\" && tsc && node -e \"require('node:fs').chmodSync('./dist/bin/simulang.js', 0o755)\"",