diff --git a/README.md b/README.md
index e326989..7e3fd36 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ CMD ["./myApp"]
 ### Model versions
 
 Currently this tool defaults to
-[`gpt-4-turbo-preview`](https://platform.openai.com/docs/models/gpt-4-and-gpt-4-turbo).
+[`gpt-4o-mini`](https://platform.openai.com/docs/models/gpt-4o-mini).
 You can alternatively use any of the 3.5 & 4 models by specifying the model
 name in an environment variable
 
diff --git a/go.mod b/go.mod
index 70e0f2e..575c614 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/edofic/chatgpt-cli
 
 go 1.22
 
-require github.com/sashabaranov/go-openai v1.20.4
+require github.com/sashabaranov/go-openai v1.27.1
diff --git a/go.sum b/go.sum
index 506269e..936efc6 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,4 @@
 github.com/sashabaranov/go-openai v1.20.4 h1:095xQ/fAtRa0+Rj21sezVJABgKfGPNbyx/sAN/hJUmg=
 github.com/sashabaranov/go-openai v1.20.4/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
+github.com/sashabaranov/go-openai v1.27.1 h1:7Nx6db5NXbcoutNmAUQulEQZEpHG/SkzfexP2X5RWMk=
+github.com/sashabaranov/go-openai v1.27.1/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
diff --git a/main.go b/main.go
index f0ec565..23c5f8a 100644
--- a/main.go
+++ b/main.go
@@ -16,7 +16,7 @@ import (
 )
 
 const (
-	defaultModel = openai.GPT4TurboPreview
+	defaultModel = openai.GPT4oMini
 	sessionFile  = "/tmp/chatgpt-cli-last-session.json"
 )