diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index fafe8d38..59fcfd2d 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -21,6 +21,19 @@ updates:
       maven-minor-patch:
         patterns: ["*"]
         update-types: ["minor", "patch"]
+    ignore:
+      # jackson-bom 2.22.0 ships ahead of its module jars: jackson-core-2.22.0.jar
+      # returns 404 on repo1.maven.org (Sonatype partial-sync window). Block this
+      # exact release so the grouped PR is buildable. Drop this entry once
+      # jackson-bom >= 2.22.1 (or 2.23.0) lands on Central with full module sync.
+      - dependency-name: "com.fasterxml.jackson:jackson-bom"
+        versions: ["2.22.0"]
+      # central-publishing-maven-plugin 0.10.0 is a 3-minor jump (0.7 → 0.10) on
+      # the plugin that publishes Maven Central artefacts (the v1.6.6 release
+      # used 0.7.0). Block this version until the release profile is validated
+      # against 0.10.x in a focused PR; remove this entry once that work lands.
+      - dependency-name: "org.sonatype.central:central-publishing-maven-plugin"
+        versions: ["0.10.0"]
 
   - package-ecosystem: github-actions
     directory: "/"