diff --git a/.changeset/sour-pugs-teach.md b/.changeset/sour-pugs-teach.md
new file mode 100644
index 000000000..372b75793
--- /dev/null
+++ b/.changeset/sour-pugs-teach.md
@@ -0,0 +1,6 @@
+---
+"trigger.dev": patch
+"@trigger.dev/core": patch
+---
+
+v3: fix otel flushing causing CLEANUP ack timeout errors by always setting a forceFlushTimeoutMillis value