diff --git a/libs/partners/openai/langchain_openai/_version.py b/libs/partners/openai/langchain_openai/_version.py
index a4e118ac36..4a473b6286 100644
--- a/libs/partners/openai/langchain_openai/_version.py
+++ b/libs/partners/openai/langchain_openai/_version.py
@@ -1,3 +1,3 @@
 """Version information for `langchain-openai`."""
 
-__version__ = "1.6.3"
+__version__ = "1.6.4"
diff --git a/libs/partners/openai/pyproject.toml b/libs/partners/openai/pyproject.toml
index 459c0a888b..d2443fac39 100644
--- a/libs/partners/openai/pyproject.toml
+++ b/libs/partners/openai/pyproject.toml
@@ -20,7 +20,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 
-version = "1.6.3"
+version = "1.6.4"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
     "langchain-core>=1.6.4,<2.0.0",
diff --git a/libs/partners/openai/uv.lock b/libs/partners/openai/uv.lock
index d8d03cb665..e3bcd72798 100644
--- a/libs/partners/openai/uv.lock
+++ b/libs/partners/openai/uv.lock
@@ -766,7 +766,7 @@ typing = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.6.3"
+version = "1.6.4"
 source = { editable = "." }
 dependencies = [
     { name = "certifi" },