diff --git a/package-lock.json b/package-lock.json
index fb9cb61..5df86f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,9 @@
       "name": "@convex-dev/rag",
       "version": "0.5.4",
       "license": "Apache-2.0",
+      "dependencies": {
+        "ai": "^5.0.0"
+      },
       "devDependencies": {
         "@ai-sdk/openai": "2.0.56",
         "@arethetypeswrong/cli": "0.18.2",
@@ -15,7 +18,7 @@
         "@edge-runtime/vm": "5.0.0",
         "@eslint/eslintrc": "3.3.1",
         "@eslint/js": "9.38.0",
-        "@langchain/textsplitters": "0.1.0",
+        "@langchain/textsplitters": "1.0.0",
         "@tailwindcss/postcss": "4.1.16",
         "@tailwindcss/typography": "0.5.19",
         "@types/eslint-plugin-react-refresh": "0.4.0",
@@ -25,7 +28,7 @@
         "@typescript-eslint/eslint-plugin": "8.46.2",
         "@typescript-eslint/parser": "8.46.2",
         "@vitejs/plugin-react": "4.7.0",
-        "ai": "^5.0.81",
+        "ai": "5.0.81",
         "autoprefixer": "10.4.21",
         "chokidar-cli": "3.0.0",
         "convex-helpers": "0.1.104",
@@ -1373,9 +1376,9 @@
       }
     },
     "node_modules/@langchain/core": {
-      "version": "0.3.78",
-      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-0.3.78.tgz",
-      "integrity": "sha512-Nn0x9erQlK3zgtRU1Z8NUjLuyW0gzdclMsvLQ6wwLeDqV91pE+YKl6uQb+L2NUDs4F0N7c2Zncgz46HxrvPzuA==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-1.0.2.tgz",
+      "integrity": "sha512-6mOn4bZyO6XT0GGrEijRtMVrmYJGZ8y1BcwyTPDptFz38lP0CEzrKEYB++h+u3TEcAd3eO25l1aGw/zVlVgw2Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1384,16 +1387,15 @@
         "camelcase": "6",
         "decamelize": "1.2.0",
         "js-tiktoken": "^1.0.12",
-        "langsmith": "^0.3.67",
+        "langsmith": "^0.3.64",
         "mustache": "^4.2.0",
         "p-queue": "^6.6.2",
         "p-retry": "4",
         "uuid": "^10.0.0",
-        "zod": "^3.25.32",
-        "zod-to-json-schema": "^3.22.3"
+        "zod": "^3.25.76 || ^4"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       }
     },
     "node_modules/@langchain/core/node_modules/ansi-styles": {
@@ -1423,19 +1425,19 @@
       }
     },
     "node_modules/@langchain/textsplitters": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/@langchain/textsplitters/-/textsplitters-0.1.0.tgz",
-      "integrity": "sha512-djI4uw9rlkAb5iMhtLED+xJebDdAG935AdP4eRTB02R7OB/act55Bj9wsskhZsvuyQRpO4O1wQOp85s6T6GWmw==",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@langchain/textsplitters/-/textsplitters-1.0.0.tgz",
+      "integrity": "sha512-L1gOwOJXeM+6MKzrj9shSsDyH32j898jgqvVArOjdge2zLyY+Mv4aOuyAAxbPyaFdQXlxKfa9xjqIUyv8TzrqA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "js-tiktoken": "^1.0.12"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": ">=0.2.21 <0.4.0"
+        "@langchain/core": "^1.0.0"
       }
     },
     "node_modules/@loaderkit/resolve": {
@@ -10881,16 +10883,6 @@
         "node": ">=20"
       }
     },
-    "node_modules/zod-to-json-schema": {
-      "version": "3.24.6",
-      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.6.tgz",
-      "integrity": "sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==",
-      "dev": true,
-      "license": "ISC",
-      "peerDependencies": {
-        "zod": "^3.24.1"
-      }
-    },
     "node_modules/zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 945803d..4202239 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "@edge-runtime/vm": "5.0.0",
     "@eslint/eslintrc": "3.3.1",
     "@eslint/js": "9.38.0",
-    "@langchain/textsplitters": "0.1.0",
+    "@langchain/textsplitters": "1.0.0",
     "@tailwindcss/postcss": "4.1.16",
     "@tailwindcss/typography": "0.5.19",
     "@types/eslint-plugin-react-refresh": "0.4.0",