diff --git a/pyproject.toml b/pyproject.toml
index 7b7c0fb..73240cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ attrs = "22.2.0"
 azure-cognitiveservices-speech = "1.25.0"
 dataclasses-json = "0.5.7"
 frozenlist = "1.3.3"
-langchain = "0.0.117"
+langchain = "0.0.126"
 marshmallow = "3.19.0"
 marshmallow-enum = "1.5.1"
 multidict = "6.0.4"