diff --git a/changelog/3484.fixed.md b/changelog/3484.fixed.md
new file mode 100644
index 000000000..9f2823a3e
--- /dev/null
+++ b/changelog/3484.fixed.md
@@ -0,0 +1 @@
+- Fixed a `Mem0MemoryService` issue where passing `async_mode: true` was causing an error. See https://docs.mem0.ai/platform/features/async-mode-default-change.