diff --git a/docs/data-sources/project.md b/docs/data-sources/project.md
index 0933b3da..d60611f6 100644
--- a/docs/data-sources/project.md
+++ b/docs/data-sources/project.md
@@ -72,6 +72,7 @@ Read-Only:
 
 Read-Only:
 
+- `production_branch` (String) By default, every commit pushed to the main branch will trigger a Production Deployment instead of the usual Preview Deployment. You can switch to a different branch here.
 - `repo` (String) The name of the git repository. For example: `vercel/next.js`.
 - `type` (String) The git provider of the repository. Must be either `github`, `gitlab`, or `bitbucket`.
 
diff --git a/vercel/data_source_project.go b/vercel/data_source_project.go
index d6732c37..b6a6a3a0 100644
--- a/vercel/data_source_project.go
+++ b/vercel/data_source_project.go
@@ -147,6 +147,11 @@ For more detailed information, please see the [Vercel documentation](https://ver
 						Type:        types.StringType,
 						Computed:    true,
 					},
+					"production_branch": {
+						Description: "By default, every commit pushed to the main branch will trigger a Production Deployment instead of the usual Preview Deployment. You can switch to a different branch here.",
+						Type:        types.StringType,
+						Computed:    true,
+					},
 				}),
 			},
 			"id": {