diff --git a/libs/partners/anthropic/langchain_anthropic/_version.py b/libs/partners/anthropic/langchain_anthropic/_version.py
index 7a43716cf3..f3d5f8a1ac 100644
--- a/libs/partners/anthropic/langchain_anthropic/_version.py
+++ b/libs/partners/anthropic/langchain_anthropic/_version.py
@@ -1,3 +1,3 @@
 """Version information for `langchain-anthropic`."""
 
-__version__ = "1.7.2"
+__version__ = "1.7.3"
diff --git a/libs/partners/anthropic/pyproject.toml b/libs/partners/anthropic/pyproject.toml
index 7082c06cda..8838df1850 100644
--- a/libs/partners/anthropic/pyproject.toml
+++ b/libs/partners/anthropic/pyproject.toml
@@ -20,11 +20,11 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 
-version = "1.7.2"
+version = "1.7.3"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
     "anthropic>=0.120.0,<2.0.0",
-    "langchain-core>=1.6.2,<2.0.0",
+    "langchain-core>=1.6.4,<2.0.0",
     "pydantic>=2.7.4,<3.0.0",
 ]
 
diff --git a/libs/partners/anthropic/uv.lock b/libs/partners/anthropic/uv.lock
index a95598294d..9b2b0f97a9 100644
--- a/libs/partners/anthropic/uv.lock
+++ b/libs/partners/anthropic/uv.lock
@@ -334,7 +334,7 @@ name = "exceptiongroup"
 version = "1.3.0"
 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/0b/9f/a65090624ecf468cdca03533906e7c69ed7588582240cfe7cc9e770b50eb/exceptiongroup-1.3.0.tar.gz", hash = "sha256:b241f5885f560bc56a59ee63ca4c6a8bfa46ae4ad651af316d4e81817bb9fd88", size = 29749, upload-time = "2025-05-10T17:42:51.123Z" }
 wheels = [
@@ -395,8 +395,8 @@ name = "httpcore2"
 version = "2.12.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "h11" },
-    { name = "truststore" },
+    { name = "h11", marker = "python_full_version != '3.12.*' or sys_platform != 'emscripten'" },
+    { name = "truststore", marker = "python_full_version != '3.12.*' or sys_platform != 'emscripten'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/be/ad/f4f0e57345f1870f3e8cb624e058d7eca6e5a27d33bcc3311d9b618734cd/httpcore2-2.12.0.tar.gz", hash = "sha256:9293522bba0aa7c4c8e9e3f040c16575bd8868e155a77fa30c7a9085a5eae648", size = 67548, upload-time = "2026-08-18T13:22:08.211Z" }
 wheels = [
@@ -650,7 +650,7 @@ typing = [
 
 [[package]]
 name = "langchain-anthropic"
-version = "1.7.2"
+version = "1.7.3"
 source = { editable = "." }
 dependencies = [
     { name = "anthropic" },
@@ -723,7 +723,7 @@ typing = [
 
 [[package]]
 name = "langchain-core"
-version = "1.6.3"
+version = "1.6.4"
 source = { editable = "../../core" }
 dependencies = [
     { name = "httpx" },