diff --git a/pyproject.toml b/pyproject.toml
index a45dc41..b8e20e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,11 +45,11 @@ joblib = "1.3.2"
 jsonpatch = "1.33"
 jsonpointer = "2.4"
 keyring = "24.3.1"
-langchain = "0.1.11"
-langchain-anthropic = "0.1.3"
-langchain-community = "0.0.20"
-langchain-core = "0.1.23"
-langchain-openai = "0.0.6"
+langchain = "^0.1.11"
+langchain-anthropic = "^0.1.3"
+langchain-community = "^0.0.20"
+langchain-core = "^0.1.23"
+langchain-openai = "^0.0.6"
 markdown-it-py = "3.0.0"
 marshmallow = "3.20.2"
 mdurl = "0.1.2"