diff --git a/src/main/java/de/rweisleder/archunit/spring/framework/SpringAsyncRules.java b/src/main/java/de/rweisleder/archunit/spring/framework/SpringAsyncRules.java
index 62876b9..f3a538b 100644
--- a/src/main/java/de/rweisleder/archunit/spring/framework/SpringAsyncRules.java
+++ b/src/main/java/de/rweisleder/archunit/spring/framework/SpringAsyncRules.java
@@ -31,10 +31,10 @@
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.all;
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.methods;
 import static de.rweisleder.archunit.spring.SpringAnnotationPredicates.springAnnotatedWith;
-import static de.rweisleder.archunit.spring.Utils.availableMethods;
-import static de.rweisleder.archunit.spring.Utils.isSpringFramework6;
 import static de.rweisleder.archunit.spring.framework.SpringProxyRules.beProxyable;
 import static de.rweisleder.archunit.spring.framework.SpringProxyRules.notBeCalledFromWithinTheSameClass;
+import static de.rweisleder.archunit.spring.internal.InternalUtils.availableMethods;
+import static de.rweisleder.archunit.spring.internal.InternalUtils.isSpringFramework6;
 
 /**
  * Collection of {@link ArchRule rules} that can be used to check the usage
diff --git a/src/main/java/de/rweisleder/archunit/spring/framework/SpringCacheRules.java b/src/main/java/de/rweisleder/archunit/spring/framework/SpringCacheRules.java
index 39541ea..ae40a93 100644
--- a/src/main/java/de/rweisleder/archunit/spring/framework/SpringCacheRules.java
+++ b/src/main/java/de/rweisleder/archunit/spring/framework/SpringCacheRules.java
@@ -25,9 +25,9 @@
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.all;
 import static com.tngtech.archunit.lang.syntax.ArchRuleDefinition.methods;
 import static de.rweisleder.archunit.spring.SpringAnnotationPredicates.springAnnotatedWith;
-import static de.rweisleder.archunit.spring.Utils.availableMethods;
 import static de.rweisleder.archunit.spring.framework.SpringProxyRules.beProxyable;
 import static de.rweisleder.archunit.spring.framework.SpringProxyRules.notBeCalledFromWithinTheSameClass;
+import static de.rweisleder.archunit.spring.internal.InternalUtils.availableMethods;
 
 /**
  * Collection of {@link ArchRule rules} that can be used to check the usage of Spring's generic cache abstraction.
diff --git a/src/main/java/de/rweisleder/archunit/spring/framework/SpringProxyRules.java b/src/main/java/de/rweisleder/archunit/spring/framework/SpringProxyRules.java
index e58ae5f..c1c8bfa 100644
--- a/src/main/java/de/rweisleder/archunit/spring/framework/SpringProxyRules.java
+++ b/src/main/java/de/rweisleder/archunit/spring/framework/SpringProxyRules.java
@@ -31,7 +31,7 @@
 import static com.tngtech.archunit.lang.conditions.ArchConditions.bePublic;
 import static com.tngtech.archunit.lang.conditions.ArchConditions.notBeFinal;
 import static com.tngtech.archunit.lang.conditions.ArchConditions.notBePrivate;
-import static de.rweisleder.archunit.spring.Utils.isSpringFramework6;
+import static de.rweisleder.archunit.spring.internal.InternalUtils.isSpringFramework6;
 
 /**
  * Collection of {@link ArchRule rules} that can be used to check the usage of Spring's proxy mechanism.
diff --git a/src/main/java/de/rweisleder/archunit/spring/Utils.java b/src/main/java/de/rweisleder/archunit/spring/internal/InternalUtils.java
similarity index 94%
rename from src/main/java/de/rweisleder/archunit/spring/Utils.java
rename to src/main/java/de/rweisleder/archunit/spring/internal/InternalUtils.java
index 4210f55..e91e48c 100644
--- a/src/main/java/de/rweisleder/archunit/spring/Utils.java
+++ b/src/main/java/de/rweisleder/archunit/spring/internal/InternalUtils.java
@@ -17,7 +17,7 @@
  * limitations under the License.
  * #L%
  */
-package de.rweisleder.archunit.spring;
+package de.rweisleder.archunit.spring.internal;
 
 import com.tngtech.archunit.core.domain.JavaClass;
 import com.tngtech.archunit.core.domain.JavaClasses;
@@ -32,11 +32,11 @@
 /**
  * For internal use only.
  */
-public final class Utils {
+public final class InternalUtils {
 
     private static Boolean isSpringFramework6;
 
-    private Utils() {
+    private InternalUtils() {
     }
 
     public static ClassesTransformer<JavaMethod> availableMethods() {