diff --git a/js/package.json b/js/package.json
index 7c378a2e2..3a132b593 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "langsmith",
-  "version": "0.0.48",
+  "version": "0.0.49",
   "description": "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform.",
   "files": [
     "dist/",
diff --git a/js/src/schemas.ts b/js/src/schemas.ts
index 24ff7e361..8840e14e2 100644
--- a/js/src/schemas.ts
+++ b/js/src/schemas.ts
@@ -111,7 +111,7 @@ export interface Run extends BaseRun {
   id: string;
 
   /** Defines the sequence in which the run was executed. */
-  execution_order: number;
+  execution_order?: number;
 
   /** The ID of the project that owns this run. */
   session_id?: string;
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 0115c764d..158aeff3c 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langsmith"
-version = "0.0.66"
+version = "0.0.67"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 authors = ["LangChain <support@langchain.dev>"]
 license = "MIT"