diff --git a/pdf-umbenenner-adapter-in-cli/pom.xml b/pdf-umbenenner-adapter-in-cli/pom.xml
index cd1eab0..8d37bac 100644
--- a/pdf-umbenenner-adapter-in-cli/pom.xml
+++ b/pdf-umbenenner-adapter-in-cli/pom.xml
@@ -39,4 +39,42 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>jacoco-check</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <!-- Adapter-In is minimal wrapper, lower threshold acceptable -->
+              <rules>
+                <rule>
+                  <element>BUNDLE</element>
+                  <limits>
+                    <limit>
+                      <counter>LINE</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.60</minimum>
+                    </limit>
+                    <limit>
+                      <counter>BRANCH</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.55</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
 </project>
\ No newline at end of file
diff --git a/pdf-umbenenner-adapter-out/pom.xml b/pdf-umbenenner-adapter-out/pom.xml
index af5049a..c9f5a81 100644
--- a/pdf-umbenenner-adapter-out/pom.xml
+++ b/pdf-umbenenner-adapter-out/pom.xml
@@ -62,4 +62,42 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>jacoco-check</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <!-- Adapter-Out contains complex infrastructure; moderate threshold -->
+              <rules>
+                <rule>
+                  <element>BUNDLE</element>
+                  <limits>
+                    <limit>
+                      <counter>LINE</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.65</minimum>
+                    </limit>
+                    <limit>
+                      <counter>BRANCH</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.60</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
 </project>
\ No newline at end of file
diff --git a/pdf-umbenenner-application/pom.xml b/pdf-umbenenner-application/pom.xml
index b3ff8ff..ba15a56 100644
--- a/pdf-umbenenner-application/pom.xml
+++ b/pdf-umbenenner-application/pom.xml
@@ -36,4 +36,42 @@
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.jacoco</groupId>
+				<artifactId>jacoco-maven-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>jacoco-check</id>
+						<phase>verify</phase>
+						<goals>
+							<goal>check</goal>
+						</goals>
+						<configuration>
+							<!-- Application module: use cases and orchestration, tight coverage -->
+							<rules>
+								<rule>
+									<element>BUNDLE</element>
+									<limits>
+										<limit>
+											<counter>LINE</counter>
+											<value>COVEREDRATIO</value>
+											<minimum>0.70</minimum>
+										</limit>
+										<limit>
+											<counter>BRANCH</counter>
+											<value>COVEREDRATIO</value>
+											<minimum>0.60</minimum>
+										</limit>
+									</limits>
+								</rule>
+							</rules>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
 </project>
\ No newline at end of file
diff --git a/pdf-umbenenner-domain/pom.xml b/pdf-umbenenner-domain/pom.xml
index 949ce93..e84e09c 100644
--- a/pdf-umbenenner-domain/pom.xml
+++ b/pdf-umbenenner-domain/pom.xml
@@ -17,4 +17,42 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>jacoco-check</id>
+            <phase>verify</phase>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <!-- Domain module: core business logic, tight coverage -->
+              <rules>
+                <rule>
+                  <element>BUNDLE</element>
+                  <limits>
+                    <limit>
+                      <counter>LINE</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.70</minimum>
+                    </limit>
+                    <limit>
+                      <counter>BRANCH</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.60</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
 </project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 5344345..e02aaa3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -159,6 +159,26 @@
 					<groupId>org.jacoco</groupId>
 					<artifactId>jacoco-maven-plugin</artifactId>
 					<version>${jacoco-maven-plugin.version}</version>
+					<configuration>
+						<!-- Default rule configuration for all modules -->
+						<rules>
+							<rule>
+								<element>BUNDLE</element>
+								<limits>
+									<limit>
+										<counter>LINE</counter>
+										<value>COVEREDRATIO</value>
+										<minimum>0.70</minimum>
+									</limit>
+									<limit>
+										<counter>BRANCH</counter>
+										<value>COVEREDRATIO</value>
+										<minimum>0.60</minimum>
+									</limit>
+								</limits>
+							</rule>
+						</rules>
+					</configuration>
 				</plugin>
 			</plugins>
 
@@ -189,6 +209,10 @@
 						<goals>
 							<goal>mutationCoverage</goal>
 						</goals>
+						<configuration>
+							<coverageThreshold>70</coverageThreshold>
+							<mutationThreshold>70</mutationThreshold>
+						</configuration>
 					</execution>
 				</executions>
 				<configuration>