diff --git a/package-lock.json b/package-lock.json
index 0bb2fe3..6cb967b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
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         "dotenv": "^16.0.3",
-        "langchain": "^0.0.61",
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@@ -39,9 +39,9 @@
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-      "resolved": "https://registry.npmjs.org/@dqbd/tiktoken/-/tiktoken-1.0.6.tgz",
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+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/@dqbd/tiktoken/-/tiktoken-1.0.7.tgz",
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@@ -2503,12 +2503,13 @@
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-      "resolved": "https://registry.npmjs.org/langchain/-/langchain-0.0.61.tgz",
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+      "resolved": "https://registry.npmjs.org/langchain/-/langchain-0.0.71.tgz",
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-        "@dqbd/tiktoken": "^1.0.4",
+        "@dqbd/tiktoken": "^1.0.7",
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         "browser-or-node": "^2.1.1",
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@@ -2530,15 +2531,19 @@
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         "@getmetal/metal-sdk": "*",
         "@huggingface/inference": "^1.5.1",
         "@opensearch-project/opensearch": "*",
         "@pinecone-database/pinecone": "*",
         "@supabase/supabase-js": "^2.10.0",
+        "@tensorflow-models/universal-sentence-encoder": "*",
+        "@tensorflow/tfjs-converter": "*",
+        "@tensorflow/tfjs-core": "*",
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-        "axios": "^0.26.0",
+        "axios": "*",
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-        "chromadb": "^1.3.0",
+        "chromadb": "^1.4.0",
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         "epub2": "^3.0.1",
@@ -2562,6 +2567,9 @@
         "@aws-sdk/client-s3": {
           "optional": true
         },
+        "@clickhouse/client": {
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+        },
         "@getmetal/metal-sdk": {
           "optional": true
         },
@@ -2577,6 +2585,15 @@
         "@supabase/supabase-js": {
           "optional": true
         },
+        "@tensorflow-models/universal-sentence-encoder": {
+          "optional": true
+        },
+        "@tensorflow/tfjs-converter": {
+          "optional": true
+        },
+        "@tensorflow/tfjs-core": {
+          "optional": true
+        },
         "@zilliz/milvus2-sdk-node": {
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@@ -2636,30 +2653,15 @@
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-      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-6.6.2.tgz",
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-        "p-timeout": "^3.2.0"
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+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
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       "engines": {
-        "node": ">=8"
+        "node": ">=10"
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       "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
-    "node_modules/langchain/node_modules/p-timeout": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-3.2.0.tgz",
-      "integrity": "sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==",
-      "dependencies": {
-        "p-finally": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=8"
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
     "node_modules/levn": {
@@ -3006,6 +3008,21 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+    "node_modules/p-queue": {
+      "version": "6.6.2",
+      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-6.6.2.tgz",
+      "integrity": "sha512-RwFpb72c/BhQLEXIZ5K2e+AhgNVmIejGlTgiB9MzZ0e93GRvqZ7uSi0dvRF7/XIXDeNkra2fNHBxTyPDGySpjQ==",
+      "dependencies": {
+        "eventemitter3": "^4.0.4",
+        "p-timeout": "^3.2.0"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/p-retry": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/p-retry/-/p-retry-4.6.2.tgz",
@@ -3018,6 +3035,17 @@
         "node": ">=8"
       }
     },
+    "node_modules/p-timeout": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-3.2.0.tgz",
+      "integrity": "sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==",
+      "dependencies": {
+        "p-finally": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/parent-module": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
@@ -3759,9 +3787,9 @@
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     "@dqbd/tiktoken": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/@dqbd/tiktoken/-/tiktoken-1.0.6.tgz",
-      "integrity": "sha512-umSdeZTy/SbPPKVuZKV/XKyFPmXSN145CcM3iHjBbmhlohBJg7vaDp4cPCW+xNlWL6L2U1sp7T2BD+di2sUKdA=="
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/@dqbd/tiktoken/-/tiktoken-1.0.7.tgz",
+      "integrity": "sha512-bhR5k5W+8GLzysjk8zTMVygQZsgvf7W1F0IlL4ZQ5ugjo5rCyiwGM5d8DYriXspytfu98tv59niang3/T+FoDw=="
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     "@esbuild-kit/cjs-loader": {
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@@ -5441,12 +5469,13 @@
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     },
     "langchain": {
-      "version": "0.0.61",
-      "resolved": "https://registry.npmjs.org/langchain/-/langchain-0.0.61.tgz",
-      "integrity": "sha512-6cdMKO6R2Fthh6LwEENbir/skQjPexltKKSyRAdLGZ5BgUaE/qCwPf8fMasQw0ZtB0lhf7MAKW5YTEj7HJcxFQ==",
+      "version": "0.0.71",
+      "resolved": "https://registry.npmjs.org/langchain/-/langchain-0.0.71.tgz",
+      "integrity": "sha512-xMaKOfNPdKn4diI5adhys6P9J/dHLq/oCtXraotbBeHvOeYkQ6Xo2ywtqQZN+OywhOUv/2Kg34QnFnKPDjn3xA==",
       "requires": {
         "@anthropic-ai/sdk": "^0.4.3",
-        "@dqbd/tiktoken": "^1.0.4",
+        "@dqbd/tiktoken": "^1.0.7",
+        "ansi-styles": "^5.0.0",
         "binary-extensions": "^2.2.0",
         "browser-or-node": "^2.1.1",
         "expr-eval": "^2.0.2",
@@ -5463,22 +5492,10 @@
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-          "version": "6.6.2",
-          "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-6.6.2.tgz",
-          "integrity": "sha512-RwFpb72c/BhQLEXIZ5K2e+AhgNVmIejGlTgiB9MzZ0e93GRvqZ7uSi0dvRF7/XIXDeNkra2fNHBxTyPDGySpjQ==",
-          "requires": {
-            "eventemitter3": "^4.0.4",
-            "p-timeout": "^3.2.0"
-          }
-        },
-        "p-timeout": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-3.2.0.tgz",
-          "integrity": "sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==",
-          "requires": {
-            "p-finally": "^1.0.0"
-          }
+        "ansi-styles": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
+          "integrity": "sha512-Cxwpt2SfTzTtXcfOlzGEee8O+c+MmUgGrNiBcXnuWxuFJHe6a5Hz7qwhwe5OgaSYI0IJvkLqWX1ASG+cJOkEiA=="
         }
       }
     },
@@ -5737,6 +5754,15 @@
         "p-limit": "^3.0.2"
       }
     },
+    "p-queue": {
+      "version": "6.6.2",
+      "resolved": "https://registry.npmjs.org/p-queue/-/p-queue-6.6.2.tgz",
+      "integrity": "sha512-RwFpb72c/BhQLEXIZ5K2e+AhgNVmIejGlTgiB9MzZ0e93GRvqZ7uSi0dvRF7/XIXDeNkra2fNHBxTyPDGySpjQ==",
+      "requires": {
+        "eventemitter3": "^4.0.4",
+        "p-timeout": "^3.2.0"
+      }
+    },
     "p-retry": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/p-retry/-/p-retry-4.6.2.tgz",
@@ -5746,6 +5772,14 @@
         "retry": "^0.13.1"
       }
     },
+    "p-timeout": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-3.2.0.tgz",
+      "integrity": "sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==",
+      "requires": {
+        "p-finally": "^1.0.0"
+      }
+    },
     "parent-module": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
diff --git a/package.json b/package.json
index 09b1c6e..02dc23d 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "license": "MIT",
   "dependencies": {
     "dotenv": "^16.0.3",
-    "langchain": "^0.0.61",
+    "langchain": "^0.0.71",
     "serpapi": "^1.1.1"
   },
   "devDependencies": {