diff --git a/.changeset/big-carrots-fail.md b/.changeset/big-carrots-fail.md
new file mode 100644
index 0000000000..0dc095499b
--- /dev/null
+++ b/.changeset/big-carrots-fail.md
@@ -0,0 +1,5 @@
+---
+"trigger.dev": patch
+---
+
+Fix dev runs
diff --git a/packages/cli-v3/src/dev/backgroundWorker.ts b/packages/cli-v3/src/dev/backgroundWorker.ts
index 2de709ea6b..c38eaf3496 100644
--- a/packages/cli-v3/src/dev/backgroundWorker.ts
+++ b/packages/cli-v3/src/dev/backgroundWorker.ts
@@ -47,6 +47,9 @@ export class BackgroundWorker {
       throw new Error("Worker already initialized");
     }
 
+    // Write the build manifest to this.build.outputPath/build.json
+    await writeJSONFile(this.buildManifestPath, this.build, true);
+
     logger.debug("indexing worker manifest", { build: this.build, params: this.params });
 
     this.manifest = await indexWorkerManifest({