diff --git a/poetry.lock b/poetry.lock
index a6a33b1d6..8bf17ef39 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1710,13 +1710,13 @@ extended-testing = ["aiosqlite (>=0.19.0,<0.20.0)", "aleph-alpha-client (>=2.15.
 
 [[package]]
 name = "langchain-core"
-version = "0.1.46"
+version = "0.1.51"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langchain_core-0.1.46-py3-none-any.whl", hash = "sha256:1c0befcd2665dd4aa153318aa9bf729071644b4c179e491769b8e583b4bf7441"},
-    {file = "langchain_core-0.1.46.tar.gz", hash = "sha256:17c416349f5c7a9808e70e3725749a3a2df5088f1ecca045c883871aa95f9c9e"},
+    {file = "langchain_core-0.1.51-py3-none-any.whl", hash = "sha256:3058bdb04d43a8eaae2e249365fe2e8d0356a09c7b2c1afa1a8100f8888da4fa"},
+    {file = "langchain_core-0.1.51.tar.gz", hash = "sha256:f7ea116f939be9e74c385baf95d6c84cd7a402b59c2c1893fc054bf98abbefc2"},
 ]
 
 [package.dependencies]
@@ -4094,4 +4094,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9.0,<4.0"
-content-hash = "4c5fea39af2c255ddbc99a3b0ccbdb94e53c3526e210f023f71c95b1d34c0a98"
+content-hash = "cbabdffe7e346d4b3385b153a01727e5c4724e55fd00b922114e6589540ed68f"
diff --git a/pyproject.toml b/pyproject.toml
index 0ad7c8676..9e618d1ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/langgraph"
 
 [tool.poetry.dependencies]
 python = ">=3.9.0,<4.0"
-langchain-core = "^0.1.46"
+langchain-core = "^0.1.51"
 
 
 [tool.poetry.group.test.dependencies]
diff --git a/tests/__snapshots__/test_pregel.ambr b/tests/__snapshots__/test_pregel.ambr
index 1b1866624..9e8af9433 100644
--- a/tests/__snapshots__/test_pregel.ambr
+++ b/tests/__snapshots__/test_pregel.ambr
@@ -1434,6 +1434,7 @@
   '''
   graph TD;
   	__start__ --> Researcher;
+  	Researcher -. redo .-> Researcher;
   	Researcher -. continue .-> Chart_Generator;
   	Researcher -. call_tool .-> Call_Tool;
   	Researcher -. end .-> __end__;
diff --git a/tests/test_pregel.py b/tests/test_pregel.py
index c8f20eda6..aedc89a80 100644
--- a/tests/test_pregel.py
+++ b/tests/test_pregel.py
@@ -4653,7 +4653,12 @@ def test_repeat_condition(snapshot: SnapshotAssertion) -> None:
     workflow.add_conditional_edges(
         "Researcher",
         router,
-        {"continue": "Chart Generator", "call_tool": "Call Tool", "end": END},
+        {
+            "redo": "Researcher",
+            "continue": "Chart Generator",
+            "call_tool": "Call Tool",
+            "end": END,
+        },
     )
     workflow.add_conditional_edges(
         "Chart Generator",