diff --git a/.changelog/18797.txt b/.changelog/18797.txt
new file mode 100644
index 000000000000..ad7884be84b6
--- /dev/null
+++ b/.changelog/18797.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+command: Add -since flag in consul debug command which internally calls hcdiag for debug information in the past.
+```