diff --git a/libs/standard-tests/pyproject.toml b/libs/standard-tests/pyproject.toml
index ba6c2045ed9..0c379131db3 100644
--- a/libs/standard-tests/pyproject.toml
+++ b/libs/standard-tests/pyproject.toml
@@ -7,7 +7,7 @@ authors = [{ name = "Erick Friis", email = "erick@langchain.dev" }]
 license = { text = "MIT" }
 requires-python = ">=3.9"
 dependencies = [
-    "langchain-core<1.0.0,>=0.3.63",
+    "langchain-core<2.0.0,>=0.3.63",
     "pytest<9,>=7",
     "pytest-asyncio<2,>=0.20",
     "httpx<1,>=0.28.1",
@@ -21,7 +21,7 @@ dependencies = [
     "numpy>=2.1.0; python_version>='3.13'",
 ]
 name = "langchain-tests"
-version = "0.3.20"
+version = "0.3.21"
 description = "Standard tests for LangChain implementations"
 readme = "README.md"
 
diff --git a/libs/standard-tests/uv.lock b/libs/standard-tests/uv.lock
index e11fcde3095..85115c0d15e 100644
--- a/libs/standard-tests/uv.lock
+++ b/libs/standard-tests/uv.lock
@@ -363,7 +363,7 @@ typing = [
 
 [[package]]
 name = "langchain-tests"
-version = "0.3.20"
+version = "0.3.21"
 source = { editable = "." }
 dependencies = [
     { name = "httpx" },