diff --git a/libs/langchain/pyproject.toml b/libs/langchain/pyproject.toml
index be538730303..21439f7bbb1 100644
--- a/libs/langchain/pyproject.toml
+++ b/libs/langchain/pyproject.toml
@@ -112,7 +112,7 @@ dependencies = [
     "PyYAML>=5.3",
     "aiohttp<4.0.0,>=3.8.3",
     "tenacity!=8.4.0,<10,>=8.1.0",
-    "numpy<2,>=1.22.4; python_version < \"3.12\"",
+    "numpy<2,>=1.26.4; python_version < \"3.12\"",
     "numpy<3,>=1.26.2; python_version >= \"3.12\"",
     "async-timeout<5.0.0,>=4.0.0; python_version < \"3.11\"",
 ]
diff --git a/libs/langchain/uv.lock b/libs/langchain/uv.lock
index 6a4952ef92a..3e44f9fbf20 100644
--- a/libs/langchain/uv.lock
+++ b/libs/langchain/uv.lock
@@ -1694,7 +1694,7 @@ requires-dist = [
     { name = "langchain-core", specifier = ">=0.3.33,<1.0.0" },
     { name = "langchain-text-splitters", specifier = ">=0.3.3,<1.0.0" },
     { name = "langsmith", specifier = ">=0.1.17,<0.4" },
-    { name = "numpy", marker = "python_full_version < '3.12'", specifier = ">=1.22.4,<2" },
+    { name = "numpy", marker = "python_full_version < '3.12'", specifier = ">=1.26.4,<2" },
     { name = "numpy", marker = "python_full_version >= '3.12'", specifier = ">=1.26.2,<3" },
     { name = "pydantic", specifier = ">=2.7.4,<3.0.0" },
     { name = "pyyaml", specifier = ">=5.3" },