diff --git a/src/main/groovy/wooga/gradle/paket/base/PaketPluginExtension.groovy b/src/main/groovy/wooga/gradle/paket/base/PaketPluginExtension.groovy
index e54caeb..3b3d84c 100644
--- a/src/main/groovy/wooga/gradle/paket/base/PaketPluginExtension.groovy
+++ b/src/main/groovy/wooga/gradle/paket/base/PaketPluginExtension.groovy
@@ -182,6 +182,13 @@ interface PaketPluginExtension {
      */
     File getPaketDependenciesFile()
 
+    /**
+     * Returns the {@link File} path to the {@code paket.lock} file in the project.
+     *
+     * @return a {@link File} path to the {@code paket.lock} file in the project.
+     */
+    File getPaketLockFile()
+
     /**
      * Returns the content of {@code paket.dependencies} parsed as {@link PaketDependencies} object.
      *
diff --git a/src/main/groovy/wooga/gradle/paket/base/internal/DefaultPaketPluginExtension.groovy b/src/main/groovy/wooga/gradle/paket/base/internal/DefaultPaketPluginExtension.groovy
index 465e044..dc183e2 100644
--- a/src/main/groovy/wooga/gradle/paket/base/internal/DefaultPaketPluginExtension.groovy
+++ b/src/main/groovy/wooga/gradle/paket/base/internal/DefaultPaketPluginExtension.groovy
@@ -32,6 +32,7 @@ class DefaultPaketPluginExtension implements PaketPluginExtension {
 
     private static final String DEFAULT_VERSION = ""
     private static final String DEFAULT_MONO_EXECUTABLE = "mono"
+    private static final String DEFAULT_PAKET_LOCK_FILE_NAME = "paket.lock"
 
     protected Project project
     protected File customPaketDirectory
@@ -167,4 +168,9 @@ class DefaultPaketPluginExtension implements PaketPluginExtension {
     protected String getBootstrapperExecutableName() {
         DEFAULT_PAKET_BOOTSTRAPPER_EXECUTION_NAME
     }
+
+    @Override
+    File getPaketLockFile() {
+        return new File(project.projectDir, DEFAULT_PAKET_LOCK_FILE_NAME)
+    }
 }
diff --git a/src/main/groovy/wooga/gradle/paket/unity/PaketUnityPluginExtension.groovy b/src/main/groovy/wooga/gradle/paket/unity/PaketUnityPluginExtension.groovy
index c6f5cc6..869b4ae 100644
--- a/src/main/groovy/wooga/gradle/paket/unity/PaketUnityPluginExtension.groovy
+++ b/src/main/groovy/wooga/gradle/paket/unity/PaketUnityPluginExtension.groovy
@@ -25,9 +25,4 @@ interface PaketUnityPluginExtension extends PaketPluginExtension {
      * @param directory name of the output directory
      */
     void setPaketOutputDirectoryName(String directory)
-
-    /**
-     * @return a {@link File} path to the {@code paket.lock} file in the project.
-     */
-    File getPaketLockFile()
 }
diff --git a/src/main/groovy/wooga/gradle/paket/unity/internal/DefaultPaketUnityPluginExtension.groovy b/src/main/groovy/wooga/gradle/paket/unity/internal/DefaultPaketUnityPluginExtension.groovy
index e2177b2..68f03fb 100644
--- a/src/main/groovy/wooga/gradle/paket/unity/internal/DefaultPaketUnityPluginExtension.groovy
+++ b/src/main/groovy/wooga/gradle/paket/unity/internal/DefaultPaketUnityPluginExtension.groovy
@@ -26,7 +26,6 @@ class DefaultPaketUnityPluginExtension extends DefaultPaketPluginExtension imple
 
     public static final String DEFAULT_PAKET_UNITY_REFERENCES_FILE_NAME = "paket.unity3d.references"
     public static final String DEFAULT_PAKET_DIRECTORY = "Paket.Unity3D"
-    private static final String DEFAULT_PAKET_LOCK_FILE_NAME = "paket.lock"
 
     protected String customPaketOutputDirectory
 
@@ -48,9 +47,4 @@ class DefaultPaketUnityPluginExtension extends DefaultPaketPluginExtension imple
     void setPaketOutputDirectoryName(String directory) {
         customPaketOutputDirectory = directory
     }
-
-    @Override
-    File getPaketLockFile() {
-        return new File(project.projectDir, DEFAULT_PAKET_LOCK_FILE_NAME)
-    }
 }