diff --git a/package-lock.json b/package-lock.json
index 56920336..5c55730f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "eslint-config-prettier": "^10.1.8",
         "fast-check": "^4.9.0",
         "husky": "^9.1.7",
-        "langchain": "^1.5.3",
+        "langchain": "^1.5.9",
         "lint-staged": "^17.1.0",
         "playwright": "^1.62.1",
         "prettier": "^3.9.6",
@@ -1981,9 +1981,9 @@
       }
     },
     "node_modules/@langchain/core": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-1.2.2.tgz",
-      "integrity": "sha512-KfjEOT6sCg0vvItagfEtGpmrGoLMGfma4Affb5BGEqPmS2YR3AxW54pABSkhQlzCehTB+0BnLquAe1lGF4J9zQ==",
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-1.2.8.tgz",
+      "integrity": "sha512-ppi2UaCYKqM4LEY8NWQ/JZ0Of0MAngHRvclceVeEQklcD/M6QKanlHPWblDnLO2m4vz7987b1Z4r33Ps6lf/ig==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -2037,14 +2037,14 @@
       }
     },
     "node_modules/@langchain/langgraph": {
-      "version": "1.4.7",
-      "resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-1.4.7.tgz",
-      "integrity": "sha512-2tcyf3QGC7v89kqSxMCtRvzg/3L/4yHtOaWC49A8KieCciWJs7LGaxHoPB6QRxXyUgyR+Zg9Q1ss/XJIE+JuSQ==",
+      "version": "1.4.10",
+      "resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-1.4.10.tgz",
+      "integrity": "sha512-QBNbbIWDp3pcyvaINGEYHdekGYSQm6ZYuC9/h7arEAZckAl5mRLaoRGw5t61V4Bf+rspEj2VcylqNAN3fcdBNQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@langchain/langgraph-checkpoint": "^1.1.3",
-        "@langchain/langgraph-sdk": "~1.9.25",
+        "@langchain/langgraph-sdk": "~1.9.29",
         "@langchain/protocol": "^0.0.18",
         "@standard-schema/spec": "1.1.0"
       },
@@ -2070,9 +2070,9 @@
       }
     },
     "node_modules/@langchain/langgraph-sdk": {
-      "version": "1.9.25",
-      "resolved": "https://registry.npmjs.org/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.25.tgz",
-      "integrity": "sha512-mRKW8zyQUaHox+HirRFMRrPqOvNbQI3xeXDt6kkk4PbBg77V92bsO1WzUVNrmJ81zCkvxyOrWSK8D6ioCj0a8A==",
+      "version": "1.9.29",
+      "resolved": "https://registry.npmjs.org/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.29.tgz",
+      "integrity": "sha512-W+ccugM5EzBHvaOieyYxlSbhAy6HWF8Tyn6b/BlTWuFd8xtcnQOz2WuFyofcAc9+aQHE+6yHJfIywGOvjxS+bA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -5536,13 +5536,13 @@
       }
     },
     "node_modules/langchain": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.5.3.tgz",
-      "integrity": "sha512-YRYPy1xPq4CgKe0NdPoscYHnKBW5cViEyWiZsUKQfN3xL1X5DpGlIpaBQg1A/t6o9ePKE7J5b7nqrfLz8t7/Rw==",
+      "version": "1.5.9",
+      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.5.9.tgz",
+      "integrity": "sha512-267IPLnoCtyMbIl1ABedQHlJDUqboW7dUWYCQS0HXjUvQnUaYV+l7OIXaQnJUaodS+fDtk774Oo03n1NLHrPFA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@langchain/langgraph": "^1.4.7",
+        "@langchain/langgraph": "^1.4.8",
         "@langchain/langgraph-checkpoint": "^1.1.3",
         "langsmith": ">=0.5.0 <1.0.0",
         "zod": "^3.25.76 || ^4"
@@ -5551,7 +5551,7 @@
         "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": "^1.2.1"
+        "@langchain/core": "^1.2.8"
       }
     },
     "node_modules/langsmith": {
diff --git a/package.json b/package.json
index f7f98c32..cd73a1b2 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "eslint-config-prettier": "^10.1.8",
     "fast-check": "^4.9.0",
     "husky": "^9.1.7",
-    "langchain": "^1.5.3",
+    "langchain": "^1.5.9",
     "lint-staged": "^17.1.0",
     "playwright": "^1.62.1",
     "prettier": "^3.9.6",