diff --git a/renovate.json b/renovate.json
index 38b5ac21365..39c57404071 100644
--- a/renovate.json
+++ b/renovate.json
@@ -12,6 +12,10 @@
       "automerge": true,
       "automergeType": "pr",
       "platformAutomerge": true
+    },
+    {
+      "matchPackageNames": ["org.apache.maven.plugins:maven-site-plugin"],
+      "enabled": false
     }
   ]
 }
diff --git a/spring-boot-admin-docs/pom.xml b/spring-boot-admin-docs/pom.xml
index 167d2d87b57..bf6a470137d 100644
--- a/spring-boot-admin-docs/pom.xml
+++ b/spring-boot-admin-docs/pom.xml
@@ -42,7 +42,7 @@
                     Due to changes in Doxia (see https://cwiki.apache.org/confluence/display/MAVEN/Towards+Doxia+2.0.0+Stack),
                     we have to use a fixed version here, as our site skin does not work with the latest version.
                 -->
-                <version>3.21.0</version>
+                <version>3.12.1</version>
                 <executions>
                     <execution>
                         <id>output-html</id>