diff --git a/.stats.yml b/.stats.yml
index 4dcd3fa..5f66550 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 43
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/opencode%2Fopencode-d1a2891c87707259c57fd32c028d77d7c393b231aa416bffe9b2823827d8a223.yml
-openapi_spec_hash: ffbe4c04e3ac5c84a1ee93a6afb8e1a1
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/opencode%2Fopencode-0a51d4de32ff494edb3423c9dfd6907b101baab3a967cf47a2fe4a11e53e6bd9.yml
+openapi_spec_hash: f408670a086f9a79e331863b5d04b7b6
 config_hash: 026ef000d34bf2f930e7b41e77d2d3ff
diff --git a/session.go b/session.go
index fbd0c91..5de9e2a 100644
--- a/session.go
+++ b/session.go
@@ -2372,7 +2372,7 @@ func (r sessionPromptResponseJSON) RawJSON() string {
 }
 
 type SessionNewParams struct {
-	Directory param.Field[string] `query:"directory,required"`
+	Directory param.Field[string] `query:"directory"`
 	ParentID  param.Field[string] `json:"parentID"`
 	Title     param.Field[string] `json:"title"`
 }