diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 0cb9efcceb..567e57bce4 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1869,6 +1869,7 @@
     'ManiphestTaskHasMockEdgeType' => 'applications/maniphest/edge/ManiphestTaskHasMockEdgeType.php',
     'ManiphestTaskHasMockRelationship' => 'applications/maniphest/relationship/ManiphestTaskHasMockRelationship.php',
     'ManiphestTaskHasParentRelationship' => 'applications/maniphest/relationship/ManiphestTaskHasParentRelationship.php',
+    'ManiphestTaskHasBlockedRelationship' => 'applications/maniphest/relationship/ManiphestTaskHasBlockedRelationship.php',
     'ManiphestTaskHasRevisionEdgeType' => 'applications/maniphest/edge/ManiphestTaskHasRevisionEdgeType.php',
     'ManiphestTaskHasRevisionRelationship' => 'applications/maniphest/relationship/ManiphestTaskHasRevisionRelationship.php',
     'ManiphestTaskHasSubtaskRelationship' => 'applications/maniphest/relationship/ManiphestTaskHasSubtaskRelationship.php',
@@ -8469,6 +8470,7 @@
     'ManiphestTaskHasMockEdgeType' => 'PhabricatorEdgeType',
     'ManiphestTaskHasMockRelationship' => 'ManiphestTaskRelationship',
     'ManiphestTaskHasParentRelationship' => 'ManiphestTaskRelationship',
+    'ManiphestTaskHasBlockedRelationship' => 'ManiphestTaskRelationship',
     'ManiphestTaskHasRevisionEdgeType' => 'PhabricatorEdgeType',
     'ManiphestTaskHasRevisionRelationship' => 'ManiphestTaskRelationship',
     'ManiphestTaskHasSubtaskRelationship' => 'ManiphestTaskRelationship',
diff --git a/src/applications/maniphest/controller/ManiphestTaskDetailController.php b/src/applications/maniphest/controller/ManiphestTaskDetailController.php
index 9f97cb95d5..7ccb9da2b9 100644
--- a/src/applications/maniphest/controller/ManiphestTaskDetailController.php
+++ b/src/applications/maniphest/controller/ManiphestTaskDetailController.php
@@ -345,6 +345,7 @@ private function buildCurtain(
       $subtask_item,
       $blocker_item,
       ManiphestTaskHasParentRelationship::RELATIONSHIPKEY,
+      ManiphestTaskHasBlockedRelationship::RELATIONSHIPKEY,
       ManiphestTaskHasSubtaskRelationship::RELATIONSHIPKEY,
       ManiphestTaskMergeInRelationship::RELATIONSHIPKEY,
       ManiphestTaskCloseAsDuplicateRelationship::RELATIONSHIPKEY,
diff --git a/src/applications/maniphest/relationship/ManiphestTaskHasBlockedRelationship.php b/src/applications/maniphest/relationship/ManiphestTaskHasBlockedRelationship.php
new file mode 100644
index 0000000000..2000fef060
--- /dev/null
+++ b/src/applications/maniphest/relationship/ManiphestTaskHasBlockedRelationship.php
@@ -0,0 +1,45 @@
+<?php
+
+final class ManiphestTaskHasBlockedRelationship
+  extends ManiphestTaskRelationship {
+
+  const RELATIONSHIPKEY = 'task.has-blocked';
+
+  public function getEdgeConstant() {
+    return ManiphestTaskBlockedEdgeType::EDGECONST;
+  }
+
+  protected function getActionName() {
+    return pht('Edit Blocked Tasks');
+  }
+
+  protected function getActionIcon() {
+    return 'fa-chevron-circle-up';
+  }
+
+  public function canRelateObjects($src, $dst) {
+    return ($dst instanceof ManiphestTask);
+  }
+
+  public function shouldAppearInActionMenu() {
+    return false;
+  }
+
+  public function getDialogTitleText() {
+    return pht('Edit Blocked Tasks');
+  }
+
+  public function getDialogHeaderText() {
+    return pht('Current Blocked Tasks');
+  }
+
+  public function getDialogButtonText() {
+    return pht('Save Blocked Tasks');
+  }
+
+  protected function newRelationshipSource() {
+    return id(new ManiphestTaskRelationshipSource())
+      ->setSelectedFilter('open');
+  }
+
+}