diff --git a/ai-service/package.json b/ai-service/package.json
index aeddad6e59..b128cd571d 100644
--- a/ai-service/package.json
+++ b/ai-service/package.json
@@ -8,7 +8,7 @@
         "@guardian/interfaces": "3.4.1",
         "@langchain/classic": "1.0.2",
         "@langchain/community": "1.0.2",
-        "@langchain/core": "1.0.4",
+        "@langchain/core": "1.1.7",
         "@langchain/openai": "1.1.0",
         "@langchain/textsplitters": "1.0.0",
         "@mikro-orm/core": "6.4.16",
diff --git a/yarn.lock b/yarn.lock
index c4c73624a5..230dd92a66 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -712,20 +712,7 @@
   dependencies:
     tslib "^2.6.2"
 
-"@azure/core-rest-pipeline@^1.17.0", "@azure/core-rest-pipeline@^1.19.0", "@azure/core-rest-pipeline@^1.22.0":
-  version "1.22.2"
-  resolved "https://registry.yarnpkg.com/@azure/core-rest-pipeline/-/core-rest-pipeline-1.22.2.tgz#7e14f21d25ab627cd07676adb5d9aacd8e2e95cc"
-  integrity sha512-MzHym+wOi8CLUlKCQu12de0nwcq9k9Kuv43j4Wa++CsCpJwps2eeBQwD2Bu8snkxTtDKDx4GwjuR9E8yC8LNrg==
-  dependencies:
-    "@azure/abort-controller" "^2.1.2"
-    "@azure/core-auth" "^1.10.0"
-    "@azure/core-tracing" "^1.3.0"
-    "@azure/core-util" "^1.13.0"
-    "@azure/logger" "^1.3.0"
-    "@typespec/ts-http-runtime" "^0.3.0"
-    tslib "^2.6.2"
-
-"@azure/core-rest-pipeline@^1.8.0":
+"@azure/core-rest-pipeline@1.12.1", "@azure/core-rest-pipeline@^1.17.0", "@azure/core-rest-pipeline@^1.19.0", "@azure/core-rest-pipeline@^1.22.0", "@azure/core-rest-pipeline@^1.8.0":
   version "1.12.1"
   resolved "https://registry.yarnpkg.com/@azure/core-rest-pipeline/-/core-rest-pipeline-1.12.1.tgz#d49f3daa8d282347dda6395f489af0050087901f"
   integrity sha512-SsyWQ+T5MFQRX+M8H/66AlaI6HyCbQStGfFngx2fuiW+vKI2DkhtOvbYodPyf9fOe/ARLWWc3ohX54lQ5Kmaog==
@@ -820,22 +807,22 @@
   dependencies:
     "@azure/msal-common" "15.13.1"
 
+"@azure/msal-common@14.10.0":
+  version "14.10.0"
+  resolved "https://registry.yarnpkg.com/@azure/msal-common/-/msal-common-14.10.0.tgz#215449726717b53d549953db77562cad6cb8421c"
+  integrity sha512-Zk6DPDz7e1wPgLoLgAp0349Yay9RvcjPM5We/ehuenDNsz/t9QEFI7tRoHpp/e47I4p20XE3FiDlhKwAo3utDA==
+
 "@azure/msal-common@15.13.1":
   version "15.13.1"
   resolved "https://registry.yarnpkg.com/@azure/msal-common/-/msal-common-15.13.1.tgz#3ff635e38f24b656539228c14b095d9e36a1e524"
   integrity sha512-vQYQcG4J43UWgo1lj7LcmdsGUKWYo28RfEvDQAEMmQIMjSFufvb+pS0FJ3KXmrPmnWlt1vHDl3oip6mIDUQ4uA==
 
-"@azure/msal-common@15.13.3":
-  version "15.13.3"
-  resolved "https://registry.yarnpkg.com/@azure/msal-common/-/msal-common-15.13.3.tgz#e1329a721f473f1ca5466fd0d6756e4c2ac68f52"
-  integrity sha512-shSDU7Ioecya+Aob5xliW9IGq1Ui8y4EVSdWGyI1Gbm4Vg61WpP95LuzcY214/wEjSn6w4PZYD4/iVldErHayQ==
-
-"@azure/msal-node@^3.5.0":
-  version "3.8.4"
-  resolved "https://registry.yarnpkg.com/@azure/msal-node/-/msal-node-3.8.4.tgz#f7c082b2e2122148cc3624fae583f2643b81788e"
-  integrity sha512-lvuAwsDpPDE/jSuVQOBMpLbXuVuLsPNRwWCyK3/6bPlBk0fGWegqoZ0qjZclMWyQ2JNvIY3vHY7hoFmFmFQcOw==
+"@azure/msal-node@2.9.0", "@azure/msal-node@^3.5.0":
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/@azure/msal-node/-/msal-node-2.9.0.tgz#e06d45ceb80b8f689d7007c5300b01fd2966d695"
+  integrity sha512-QHAvP6wduXzNKdmZviT1dXKUR3w/FTqgkhg7UrZndHwdihRZzxVR7KxlUw/Eq+vIeLSh1n0vxiULnaEqrLnJ6w==
   dependencies:
-    "@azure/msal-common" "15.13.3"
+    "@azure/msal-common" "14.10.0"
     jsonwebtoken "^9.0.0"
     uuid "^8.3.0"
 
@@ -1631,20 +1618,19 @@
     uuid "^10.0.0"
     zod "^3.25.76 || ^4"
 
-"@langchain/core@1.0.4":
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.0.4.tgz#ae8a2faca60da4e1358f9d4ed6f296b45ec876c1"
-  integrity sha512-zrTM4sVls18KfR6h/R7ErJUY4eeZa3Mr9s+Y6upXc2MevlYo7jfZZabs4Kv/R9fTdRFEJPwSsY1HTw5pokPrLg==
+"@langchain/core@1.1.7":
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.1.7.tgz#6fc90db99fe56286ae1c7ae62975ee36ef2e8b89"
+  integrity sha512-NSZSi33+V/8RVv1szsUiX7u+jXVCDImr2VO74SiKgJrhyxXKdJcxa3HMPKwdU+tkgQ6T+R7wxVYQ1Cnd4Z48tA==
   dependencies:
     "@cfworker/json-schema" "^4.0.2"
     ansi-styles "^5.0.0"
     camelcase "6"
     decamelize "1.2.0"
     js-tiktoken "^1.0.12"
-    langsmith "^0.3.64"
+    langsmith ">=0.4.0 <1.0.0"
     mustache "^4.2.0"
     p-queue "^6.6.2"
-    p-retry "4"
     uuid "^10.0.0"
     zod "^3.25.76 || ^4"
 
@@ -8482,7 +8468,7 @@ ignore@^5.2.0:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.3.2.tgz#3cd40e729f3643fd87cb04e50bf0eb722bc596f5"
   integrity sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==
 
-image-size@^1.0.2:
+image-size@1.0.2, image-size@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/image-size/-/image-size-1.0.2.tgz#d778b6d0ab75b2737c1556dd631652eb963bc486"
   integrity sha512-xfOoWjceHntRb3qFCrh5ZFORYH8XCdYpASltMhZ/Q0KZiOwjdE/Yl2QCiWdwD+lygV5bMCvauzgu5PxBX/Yerg==
@@ -9865,6 +9851,18 @@ langchain@1.0.4:
     uuid "^10.0.0"
     zod "^3.25.76 || ^4"
 
+"langsmith@>=0.4.0 <1.0.0":
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/langsmith/-/langsmith-0.4.0.tgz#3cfe1bc62e4b0967ab21e0d548cf463fcfb657c9"
+  integrity sha512-/X99fHBuBFFup778dNmgAVJMdFULz0S8yZUT1cD1RRSviMjxq1GZo8PulRR1ALDxpgYsJs8ueF9godUzF13LSw==
+  dependencies:
+    "@types/uuid" "^10.0.0"
+    chalk "^4.1.2"
+    console-table-printer "^2.12.1"
+    p-queue "^6.6.2"
+    semver "^7.6.3"
+    uuid "^10.0.0"
+
 langsmith@^0.3.64, langsmith@~0.3.74:
   version "0.3.79"
   resolved "https://registry.yarnpkg.com/langsmith/-/langsmith-0.3.79.tgz#6c845644da26e7fdd8e9b80706091669fc43bda4"