diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 554fa373..2f6622dd 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -15,6 +15,12 @@ updates:
     schedule:
       interval: weekly
     open-pull-requests-limit: 5
+    # ai-kit is pinned to a git TAG (github:bitbaum/ai-kit#vX.Y.Z). dependabot
+    # cannot order git tags and on 2026-08-31 proposed v0.6.2 -> v0.4.0 as a
+    # "bump" — a downgrade. The pin is governed by the fleet's version-currency
+    # ratchet (bitbaum/fleet, blessed-versions.json), not by dependabot.
+    ignore:
+      - dependency-name: 'ai-kit'
     groups:
       minor-and-patch:
         update-types: [minor, patch]