diff --git a/go.mod b/go.mod
index cfe38c60..f7b843c5 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5
 	github.com/rs/zerolog v1.30.0
 	github.com/sashabaranov/go-openai v1.15.2
-	github.com/tmc/langchaingo v0.0.0-20230829032728-c85d3967da08
+	github.com/tmc/langchaingo v0.0.0-20230910230029-9c8845b2b019
 	github.com/urfave/cli/v2 v2.25.7
 	github.com/valyala/fasthttp v1.49.0
 	google.golang.org/grpc v1.57.0
diff --git a/go.sum b/go.sum
index cf199ab9..7a687326 100644
--- a/go.sum
+++ b/go.sum
@@ -196,6 +196,8 @@ github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+F
 github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
 github.com/tmc/langchaingo v0.0.0-20230829032728-c85d3967da08 h1:ga3HJeF9v5Lyob60oXuasXmeWMwKhygnUnXxYQRj1YI=
 github.com/tmc/langchaingo v0.0.0-20230829032728-c85d3967da08/go.mod h1:vCdA1t5qnS5YPkDsznowOziBHFn0Ul11ZqfJ2GOAi0s=
+github.com/tmc/langchaingo v0.0.0-20230910230029-9c8845b2b019 h1:hKNvPanCqhpVszNBKYBzwknU2iJhhE29P04wpdpu/uY=
+github.com/tmc/langchaingo v0.0.0-20230910230029-9c8845b2b019/go.mod h1:vCdA1t5qnS5YPkDsznowOziBHFn0Ul11ZqfJ2GOAi0s=
 github.com/ulikunitz/xz v0.5.8/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/ulikunitz/xz v0.5.9 h1:RsKRIA2MO8x56wkkcd3LbtcE/uMszhb6DpRf+3uwa3I=
 github.com/ulikunitz/xz v0.5.9/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=