diff --git a/pdf-umbenenner-adapter-out/pom.xml b/pdf-umbenenner-adapter-out/pom.xml
index c70b8f6..3b1d250 100644
--- a/pdf-umbenenner-adapter-out/pom.xml
+++ b/pdf-umbenenner-adapter-out/pom.xml
@@ -76,6 +76,18 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.pitest</groupId>
+        <artifactId>pitest-maven</artifactId>
+        <configuration>
+          <!-- Exclude heavy pipeline integration tests from mutation analysis.
+               These tests run the full batch pipeline (SQLite, PDFBox, filesystem)
+               and exceed PIT minion timeouts. They remain in the normal surefire run. -->
+          <excludedTestClasses>
+            <param>de.gecheckt.pdf.umbenenner.adapter.out.ai.AnthropicClaudeAdapterIntegrationTest</param>
+          </excludedTestClasses>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>