diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index 0f12282526..f275b293ac 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -32,6 +32,7 @@ dependencies = [
     "typing-extensions>=4.7.0,<5.0.0",
     "packaging>=23.2.0",
     "pydantic>=2.7.4,<3.0.0",
+    "pydantic>=2.13.0,<3.0.0; python_version >= '3.14'",
     "uuid-utils>=0.12.0,<1.0",
     "langchain-protocol>=0.0.17",
 ]
diff --git a/libs/core/uv.lock b/libs/core/uv.lock
index cf31da4970..94ab390461 100644
--- a/libs/core/uv.lock
+++ b/libs/core/uv.lock
@@ -523,7 +523,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions" },
+    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
 wheels = [
@@ -685,17 +685,17 @@ resolution-markers = [
     "python_full_version < '3.11' and platform_python_implementation != 'PyPy'",
 ]
 dependencies = [
-    { name = "colorama", marker = "sys_platform == 'win32'" },
-    { name = "decorator" },
-    { name = "exceptiongroup" },
-    { name = "jedi" },
-    { name = "matplotlib-inline" },
-    { name = "pexpect", marker = "sys_platform != 'emscripten' and sys_platform != 'win32'" },
-    { name = "prompt-toolkit" },
-    { name = "pygments" },
-    { name = "stack-data" },
-    { name = "traitlets" },
-    { name = "typing-extensions" },
+    { name = "colorama", marker = "python_full_version < '3.11' and sys_platform == 'win32'" },
+    { name = "decorator", marker = "python_full_version < '3.11'" },
+    { name = "exceptiongroup", marker = "python_full_version < '3.11'" },
+    { name = "jedi", marker = "python_full_version < '3.11'" },
+    { name = "matplotlib-inline", marker = "python_full_version < '3.11'" },
+    { name = "pexpect", marker = "python_full_version < '3.11' and sys_platform != 'emscripten' and sys_platform != 'win32'" },
+    { name = "prompt-toolkit", marker = "python_full_version < '3.11'" },
+    { name = "pygments", marker = "python_full_version < '3.11'" },
+    { name = "stack-data", marker = "python_full_version < '3.11'" },
+    { name = "traitlets", marker = "python_full_version < '3.11'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/85/31/10ac88f3357fc276dc8a64e8880c82e80e7459326ae1d0a211b40abf6665/ipython-8.37.0.tar.gz", hash = "sha256:ca815841e1a41a1e6b73a0b08f3038af9b2252564d01fc405356d34033012216", size = 5606088, upload-time = "2025-05-31T16:39:09.613Z" }
 wheels = [
@@ -717,17 +717,17 @@ resolution-markers = [
     "python_full_version >= '3.11' and python_full_version < '3.13' and platform_python_implementation != 'PyPy'",
 ]
 dependencies = [
-    { name = "colorama", marker = "sys_platform == 'win32'" },
-    { name = "decorator" },
-    { name = "ipython-pygments-lexers" },
-    { name = "jedi" },
-    { name = "matplotlib-inline" },
-    { name = "pexpect", marker = "sys_platform != 'emscripten' and sys_platform != 'win32'" },
-    { name = "prompt-toolkit" },
-    { name = "pygments" },
-    { name = "stack-data" },
-    { name = "traitlets" },
-    { name = "typing-extensions", marker = "python_full_version < '3.12'" },
+    { name = "colorama", marker = "python_full_version >= '3.11' and sys_platform == 'win32'" },
+    { name = "decorator", marker = "python_full_version >= '3.11'" },
+    { name = "ipython-pygments-lexers", marker = "python_full_version >= '3.11'" },
+    { name = "jedi", marker = "python_full_version >= '3.11'" },
+    { name = "matplotlib-inline", marker = "python_full_version >= '3.11'" },
+    { name = "pexpect", marker = "python_full_version >= '3.11' and sys_platform != 'emscripten' and sys_platform != 'win32'" },
+    { name = "prompt-toolkit", marker = "python_full_version >= '3.11'" },
+    { name = "pygments", marker = "python_full_version >= '3.11'" },
+    { name = "stack-data", marker = "python_full_version >= '3.11'" },
+    { name = "traitlets", marker = "python_full_version >= '3.11'" },
+    { name = "typing-extensions", marker = "python_full_version == '3.11.*'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/12/51/a703c030f4928646d390b4971af4938a1b10c9dfce694f0d99a0bb073cb2/ipython-9.8.0.tar.gz", hash = "sha256:8e4ce129a627eb9dd221c41b1d2cdaed4ef7c9da8c17c63f6f578fe231141f83", size = 4424940, upload-time = "2025-12-03T10:18:24.353Z" }
 wheels = [
@@ -739,7 +739,7 @@ name = "ipython-pygments-lexers"
 version = "1.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "pygments" },
+    { name = "pygments", marker = "python_full_version >= '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/ef/4c/5dd1d8af08107f88c7f741ead7a40854b8ac24ddf9ae850afbcf698aa552/ipython_pygments_lexers-1.1.1.tar.gz", hash = "sha256:09c0138009e56b6854f9535736f4171d855c8c08a563a0dcd8022f78355c7e81", size = 8393, upload-time = "2025-01-17T11:24:34.505Z" }
 wheels = [
@@ -1130,6 +1130,7 @@ requires-dist = [
     { name = "langsmith", specifier = ">=0.3.45,<1.0.0" },
     { name = "packaging", specifier = ">=23.2.0" },
     { name = "pydantic", specifier = ">=2.7.4,<3.0.0" },
+    { name = "pydantic", marker = "python_full_version >= '3.14'", specifier = ">=2.13.0,<3.0.0" },
     { name = "pyyaml", specifier = ">=5.3.0,<7.0.0" },
     { name = "tenacity", specifier = ">=8.1.0,!=8.4.0,<10.0.0" },
     { name = "typing-extensions", specifier = ">=4.7.0,<5.0.0" },
@@ -1227,7 +1228,7 @@ typing = [
 
 [[package]]
 name = "langchain-text-splitters"
-version = "1.1.2"
+version = "1.1.3"
 source = { directory = "../text-splitters" }
 dependencies = [
     { name = "langchain-core" },