diff --git a/.unreleased/breaking-changes/2654-quintint-bigint.md b/.unreleased/breaking-changes/2654-quintint-bigint.md
new file mode 100644
index 0000000000..c9ba667293
--- /dev/null
+++ b/.unreleased/breaking-changes/2654-quintint-bigint.md
@@ -0,0 +1 @@
+Fixed deserialization of large Quint integer values, see #2654