diff --git a/poetry.lock b/poetry.lock
index d4bca125c..020ecbb70 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3481,4 +3481,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8.1,<4.0"
-content-hash = "39ce01bbdc6757d98568030111d92e4c163667ebe674d8312f9f3b2c8b20f98a"
+content-hash = "1f1256eab2f04f6f63df516e2cb58141b41644db84fda268d28f44a0dec90447"
diff --git a/pyproject.toml b/pyproject.toml
index b3e41c68c..3261fefa3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "permchain"
-version = "0.0.5"
+version = "0.0.6"
 description = "permchain"
 authors = []
 license = "MIT"
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/permchain"
 
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"
-langchain = "^0.0.335"
+langchain = ">=0.0.335"
 
 
 [tool.poetry.group.test.dependencies]