diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/ImportProject.java b/src/main/java/com/googlesource/gerrit/plugins/importer/ImportProject.java
index 76fefdd..74b8eb0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/ImportProject.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/ImportProject.java
@@ -97,6 +97,7 @@
   private final Project.NameKey targetProject;
   private Project.NameKey srcProject;
   private Project.NameKey parent;
+  private boolean force;
 
   private Writer err;
 
@@ -146,9 +147,10 @@
     }
   }
 
-  public Response<String> resume(String user, String pass, File importStatus)
-      throws RestApiException, OrmException, IOException, ValidationException,
-      GitAPIException, NoSuchChangeException, NoSuchAccountException {
+  public Response<String> resume(String user, String pass, boolean force,
+      File importStatus) throws RestApiException, OrmException, IOException,
+      ValidationException, GitAPIException, NoSuchChangeException,
+      NoSuchAccountException {
     LockFile lockFile = lockForImport();
     try {
       ImportProjectInfo info = ImportJson.parse(importStatus);
@@ -160,6 +162,8 @@
       input.name = info.name;
       input.parent = info.parent;
 
+      this.force = force;
+
       return apply(lockFile, input, info);
     } finally {
       lockFile.unlock();
@@ -189,7 +193,7 @@
         gitFetchStep.fetch(input.user, input.pass, repo, pm);
         configProjectStep.configure(targetProject, parent, pm);
         replayChangesFactory.create(input.from, input.user, input.pass, repo,
-            srcProject, targetProject, resume, pm).replay();
+            srcProject, targetProject, force, resume, pm).replay();
       } finally {
         repo.close();
       }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/ReplayChangesStep.java b/src/main/java/com/googlesource/gerrit/plugins/importer/ReplayChangesStep.java
index e32d1ec..bffae8c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/ReplayChangesStep.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/ReplayChangesStep.java
@@ -53,7 +53,8 @@
         Repository repo,
         @Assisted("srcProject") Project.NameKey srcProject,
         @Assisted("targetProject") Project.NameKey targetProject,
-        boolean resume,
+        @Assisted("force") boolean force,
+        @Assisted("resume") boolean resume,
         ProgressMonitor pm);
   }
 
@@ -72,6 +73,7 @@
   private final Repository repo;
   private final Project.NameKey srcProject;
   private final Project.NameKey targetProject;
+  private final boolean force;
   private final boolean resume;
   private final ProgressMonitor pm;
 
@@ -93,7 +95,8 @@
       @Assisted Repository repo,
       @Assisted("srcProject") Project.NameKey srcProject,
       @Assisted("targetProject") Project.NameKey targetProject,
-      @Assisted boolean resume,
+      @Assisted("force") boolean force,
+      @Assisted("resume") boolean resume,
       @Assisted ProgressMonitor pm) {
     this.replayRevisionsFactory = replayRevisionsFactory;
     this.replayInlineCommentsFactory = replayInlineCommentsFactory;
@@ -110,6 +113,7 @@
     this.repo = repo;
     this.srcProject = srcProject;
     this.targetProject = targetProject;
+    this.force = force;
     this.resume = resume;
     this.pm = pm;
   }
@@ -147,7 +151,7 @@
       change = createChange(c);
     } else {
       resumeChange = true;
-      if (change.getLastUpdatedOn().equals(c.updated)) {
+      if (!force && change.getLastUpdatedOn().equals(c.updated)) {
         // change was not modified since last import
         return;
       }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectCommand.java b/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectCommand.java
index 4aa3d05..5dfb115 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectCommand.java
@@ -35,6 +35,9 @@
       usage = "password of remote user")
   private String pass;
 
+  @Option(name = "--force", usage = "Whether the resume should be done forcefully.")
+  private boolean force;
+
   @Option(name = "--quiet", usage = "suppress progress messages")
   private boolean quiet;
 
@@ -58,6 +61,7 @@
       ResumeProjectImport.Input input = new ResumeProjectImport.Input();
       input.user = user;
       input.pass = pass;
+      input.force = force;
       resume.apply(rsrc, input);
     } catch (RestApiException e) {
       throw die(e.getMessage());
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectImport.java b/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectImport.java
index 521be04..ad172d4 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectImport.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/ResumeProjectImport.java
@@ -50,6 +50,7 @@
   public static class Input {
     public String user;
     public String pass;
+    public boolean force;
   }
 
   private final ImportProject.Factory importProjectFactory;
@@ -74,7 +75,8 @@
 
     ImportProject importer = importProjectFactory.create(rsrc.getName());
     importer.setErr(err);
-    return importer.resume(input.user, input.pass, rsrc.getImportStatus());
+    return importer.resume(input.user, input.pass, input.force,
+        rsrc.getImportStatus());
   }
 
   public static class OnProjects implements
diff --git a/src/main/resources/Documentation/cmd-resume-project.md b/src/main/resources/Documentation/cmd-resume-project.md
index 8221c5f..f5c7ebd 100644
--- a/src/main/resources/Documentation/cmd-resume-project.md
+++ b/src/main/resources/Documentation/cmd-resume-project.md
@@ -11,6 +11,7 @@
 ssh -p @SSH_PORT@ @SSH_HOST@ @PLUGIN@ resume-project \
   --user <USER> | -u <USER> \
   --pass - | <PASS> \
+  [--force] \
   [--quiet] \
   <NAME>
 ```
@@ -38,6 +39,11 @@
 `--user`
 :	User on remote system.
 
+`--force`
+:	Whether the resume should be done forcefully. On resume with force
+	changes that have the same last modified timestamp in the source
+	and target system are resumed, otherwise they will be skipped.
+
 `--quiet`
 :	Suppress progress messages.
 
diff --git a/src/main/resources/Documentation/rest-api-config.md b/src/main/resources/Documentation/rest-api-config.md
index 380e584..8b01205 100644
--- a/src/main/resources/Documentation/rest-api-config.md
+++ b/src/main/resources/Documentation/rest-api-config.md
@@ -272,6 +272,9 @@
 
 * _user_: User on remote system.
 * _pass_: Password of remote user.
+* _force_: Whether the resume should be done forcefully. On resume with
+force changes that have the same last modified timestamp in the source
+and target system are resumed, otherwise they will be skipped.
 
 
 SEE ALSO
diff --git a/src/main/resources/static/resume-project-import.js b/src/main/resources/static/resume-project-import.js
index eaf752d..fdca63c 100644
--- a/src/main/resources/static/resume-project-import.js
+++ b/src/main/resources/static/resume-project-import.js
@@ -17,10 +17,11 @@
       var u = c.textfield();
       var p = c.textfield();
       p.type = 'password';
+      var f = c.checkbox();
       var b = c.button('Resume',
         {onclick: function(){
           c.call(
-            {user: u.value, pass: p.value},
+            {user: u.value, pass: p.value, force: f.checked},
             function(r) {
               c.hide();
               window.alert('Import for project "'
@@ -38,6 +39,8 @@
         c.br(),
         c.prependLabel('Password:', p),
         c.br(),
+        c.label(f, 'Force Resume'),
+        c.br(),
         c.br(),
         b));
     }