diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index fff8499d..07d63d99 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -15,6 +15,11 @@ updates:
         update-types:
           - minor
           - patch
+    # Majors (API breaks) are done deliberately, not via automated PRs.
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - "version-update:semver-major"
   - package-ecosystem: github-actions
     directory: /
     schedule: