diff --git a/core/BUILD b/core/BUILD
index db9219e8b..e8bb75839 100644
--- a/core/BUILD
+++ b/core/BUILD
@@ -81,6 +81,7 @@ ts_test_suite(
         "jit_context_test.ts",
         "main_test.ts",
         "utils_test.ts",
+        "workflow_settings_test.ts",
     ],
     data = [
         ":node_modules",
diff --git a/core/workflow_settings.ts b/core/workflow_settings.ts
index df1dd9e7c..39f71b5bd 100644
--- a/core/workflow_settings.ts
+++ b/core/workflow_settings.ts
@@ -178,6 +178,9 @@ export function workflowSettingsAsProjectConfig(
   if (workflowSettings.preserveGovernanceControls) {
     projectConfig.preserveGovernanceControls = workflowSettings.preserveGovernanceControls;
   }
+  if (workflowSettings.lineage) {
+    projectConfig.lineage = workflowSettings.lineage;
+  }
   projectConfig.warehouse = "bigquery";
   return projectConfig;
 }
diff --git a/core/workflow_settings_test.ts b/core/workflow_settings_test.ts
new file mode 100644
index 000000000..7654e35e1
--- /dev/null
+++ b/core/workflow_settings_test.ts
@@ -0,0 +1,25 @@
+import { expect } from "chai";
+
+import { workflowSettingsAsProjectConfig } from "df/core/workflow_settings";
+import { dataform } from "df/protos/ts";
+import { suite, test } from "df/testing";
+
+suite("workflowSettingsAsProjectConfig", () => {
+  test("copies lineage settings when set", () => {
+    const workflowSettings = dataform.WorkflowSettings.create({
+      lineage: { enabled: true },
+    });
+
+    const projectConfig = workflowSettingsAsProjectConfig(workflowSettings);
+
+    expect(projectConfig.lineage).to.deep.equal({ enabled: true });
+  });
+
+  test("leaves lineage unset when workflow settings omit it", () => {
+    const workflowSettings = dataform.WorkflowSettings.create({});
+
+    const projectConfig = workflowSettingsAsProjectConfig(workflowSettings);
+
+    expect(projectConfig.lineage).to.equal(null);
+  });
+});
diff --git a/protos/configs.proto b/protos/configs.proto
index e080f7163..3630695ae 100644
--- a/protos/configs.proto
+++ b/protos/configs.proto
@@ -71,6 +71,15 @@ message WorkflowSettings {
   // Optional. If set to true, governance controls (e.g. Data Policies) will be
   // preserved on BigQuery tables.
   bool preserve_governance_controls = 18;
+
+  // Optional. Configuration for Knowledge Catalog lineage emission.
+  LineageSettings lineage = 19;
+}
+
+message LineageSettings {
+  // If true, emit OpenLineage events to Knowledge Catalog
+  // (datalineage.googleapis.com) after each Dataform action completes.
+  bool enabled = 1;
 }
 
 // Action configs defines the contents of `actions.yaml` configuration files.
diff --git a/protos/core.proto b/protos/core.proto
index fa73e3236..da1d638e6 100644
--- a/protos/core.proto
+++ b/protos/core.proto
@@ -40,6 +40,8 @@ message ProjectConfig {
 
   bool preserve_governance_controls = 24;
 
+  LineageSettings lineage = 25;
+
   reserved 3, 4, 6, 8, 10, 12, 13;
 }