diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java
index cff08f58..e0b9f276 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java
@@ -1,6 +1,8 @@
 package one.nem.lacerta.vcs.model.action;
 
-public class DeletePage {
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class DeletePage extends ActionBase {
 
         private int index;
 
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java
index f57606a2..b4e5ca58 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java
@@ -1,6 +1,8 @@
 package one.nem.lacerta.vcs.model.action;
 
-public class InsertPage {
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class InsertPage extends ActionBase {
 
     private int index;
     private String fileName;
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java
index 5625bc0c..6a274bb5 100644
--- a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java
@@ -1,6 +1,8 @@
 package one.nem.lacerta.vcs.model.action;
 
-public class UpdatePage {
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class UpdatePage extends ActionBase {
 
     private int index;
     private String fileName;