diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index b76b895..9f144dc 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,6 +4,10 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    ignore:
+      # plexus-xml 4.x depends on the Maven 4 XML API
+      - dependency-name: "org.codehaus.plexus:plexus-xml"
+        versions: [">= 4.0.0"]
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule: