diff --git a/libs/core/poetry.lock b/libs/core/poetry.lock
index 2f76b5b2d9995..eefb92d4715d3 100644
--- a/libs/core/poetry.lock
+++ b/libs/core/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -1190,7 +1190,7 @@ files = [
 
 [[package]]
 name = "langchain-tests"
-version = "0.3.1"
+version = "0.3.4"
 description = "Standard tests for LangChain implementations"
 optional = false
 python-versions = ">=3.9,<4.0"
@@ -1199,7 +1199,7 @@ develop = true
 
 [package.dependencies]
 httpx = "^0.27.0"
-langchain-core = "^0.3.15"
+langchain-core = "^0.3.19"
 pytest = ">=7,<9"
 syrupy = "^4"
 
diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index eb0b74f1828d7..712c5fa3d8602 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "langchain-core"
-version = "0.3.19"
+version = "0.3.20"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"