diff --git a/libs/langchain/poetry.lock b/libs/langchain/poetry.lock
index 27787e1926..4aad20a3d4 100644
--- a/libs/langchain/poetry.lock
+++ b/libs/langchain/poetry.lock
@@ -10652,4 +10652,4 @@ text-helpers = ["chardet"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "ce46d0939d26903ed3de2f4d297d7aa6b359d1a466df80861e9898d865bfc8c9"
+content-hash = "89d73e8d026d8df841d4aaedd687dbd14900bc36ae52d5bb8cf03e8877d8222c"
diff --git a/libs/langchain/pyproject.toml b/libs/langchain/pyproject.toml
index f8354f6a0f..aed20ebd83 100644
--- a/libs/langchain/pyproject.toml
+++ b/libs/langchain/pyproject.toml
@@ -31,7 +31,7 @@ transformers = {version = "^4", optional = true}
 beautifulsoup4 = {version = "^4", optional = true}
 torch = {version = ">=1,<3", optional = true}
 jinja2 = {version = "^3", optional = true}
-tiktoken = {version = "^0.3.2", optional = true, python="^3.9"}
+tiktoken = {version = ">=0.3.2,<0.6.0", optional = true, python=">=3.9"}
 pinecone-client = {version = "^2", optional = true}
 pinecone-text = {version = "^0.4.2", optional = true}
 pymongo = {version = "^4.3.3", optional = true}