diff --git a/apple/Package.resolved b/apple/Package.resolved
index 1b59c472..510c5a8c 100644
--- a/apple/Package.resolved
+++ b/apple/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "50c93b9ea1bb93d1fa61b85c7b25dd0d358a653366c003cf88a40fbbf345b01d",
+  "originHash" : "95360ea85c846a4a2655c81c615521c2d64d2de6e4f150207def2adc2ea40933",
   "pins" : [
     {
       "identity" : "highlightswift",
@@ -15,7 +15,8 @@
       "kind" : "remoteSourceControl",
       "location" : "ssh://git@github.com/logseq/lui.git",
       "state" : {
-        "revision" : "d2b3b0739bf047a1df5d22d3f316a45e430a68bd"
+        "branch" : "55166025",
+        "revision" : "5516602566127dd437c4d2ad9d1700c474b76970"
       }
     },
     {
diff --git a/apple/Package.swift b/apple/Package.swift
index 7f357177..72f1aca1 100644
--- a/apple/Package.swift
+++ b/apple/Package.swift
@@ -34,7 +34,7 @@ let package = Package(
         .library(name: "LogseqChatModel", type: .dynamic, targets: ["LogseqChatModel"]),
     ],
     dependencies: [
-        .package(url: "ssh://git@github.com/logseq/lui.git", revision: "d2b3b07"),
+        .package(url: "ssh://git@github.com/logseq/lui.git", revision: "55166025"),
         .package(url: "https://github.com/gonzalezreal/swiftui-math", from: "0.1.0"),
         .package(url: "https://github.com/appstefan/highlightswift.git", from: "1.1.0")
     ],
diff --git a/apple/Sources/LogseqChat/LGChatRenderer.swift b/apple/Sources/LogseqChat/LGChatRenderer.swift
index 93a666c0..179c0aa3 100644
--- a/apple/Sources/LogseqChat/LGChatRenderer.swift
+++ b/apple/Sources/LogseqChat/LGChatRenderer.swift
@@ -89,6 +89,8 @@ enum LGChatIconPolicy {
             "toolbar-delete": .systemName("trash"),
             "toolbar-hide-keyboard": .assetName("toolbar_hide_keyboard"),
             "toolbar-indent": .assetName("toolbar_indent"),
+            "toolbar-move-down": .systemName("arrow.down"),
+            "toolbar-move-up": .systemName("arrow.up"),
             "toolbar-outdent": .assetName("toolbar_outdent"),
             "toolbar-tag": .assetName("toolbar_tag"),
             "toolbar-task": .assetName("task_done"),
@@ -109,6 +111,8 @@ enum LGChatIconPolicy {
         result["toolbar-camera"] = .systemName("camera")
         result["toolbar-hide-keyboard"] = .systemName("keyboard.chevron.compact.down")
         result["toolbar-indent"] = .systemName("arrow.right")
+        result["toolbar-move-down"] = .systemName("arrow.down")
+        result["toolbar-move-up"] = .systemName("arrow.up")
         result["toolbar-outdent"] = .systemName("arrow.left")
         result["toolbar-tag"] = .systemName("number")
         result["toolbar-task"] = .systemName("checkmark.square")
diff --git a/flutter/lib/logseq_chat_icons.dart b/flutter/lib/logseq_chat_icons.dart
index d411b3ed..bb0928a0 100644
--- a/flutter/lib/logseq_chat_icons.dart
+++ b/flutter/lib/logseq_chat_icons.dart
@@ -49,6 +49,8 @@ const logseqChatAppIcons = <String, IconData>{
   'toolbar-delete': Icons.delete_outline_rounded,
   'toolbar-hide-keyboard': Icons.keyboard_hide_rounded,
   'toolbar-indent': Icons.format_indent_increase,
+  'toolbar-move-down': Icons.arrow_downward_rounded,
+  'toolbar-move-up': Icons.arrow_upward_rounded,
   'toolbar-outdent': Icons.format_indent_decrease,
   'toolbar-tag': Icons.tag_rounded,
   'toolbar-task': Icons.check_box_outlined,
diff --git a/flutter/pubspec.lock b/flutter/pubspec.lock
index 5cadff46..f628577a 100644
--- a/flutter/pubspec.lock
+++ b/flutter/pubspec.lock
@@ -159,8 +159,8 @@ packages:
     dependency: "direct main"
     description:
       path: "platform/flutter"
-      ref: d2b3b0739bf047a1df5d22d3f316a45e430a68bd
-      resolved-ref: d2b3b0739bf047a1df5d22d3f316a45e430a68bd
+      ref: 5516602566127dd437c4d2ad9d1700c474b76970
+      resolved-ref: 5516602566127dd437c4d2ad9d1700c474b76970
       url: "ssh://git@github.com/logseq/lui.git"
     source: git
     version: "0.1.0"
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index f4f99422..f5540679 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
   lui_flutter_backend:
     git:
       url: ssh://git@github.com/logseq/lui.git
-      ref: d2b3b0739bf047a1df5d22d3f316a45e430a68bd
+      ref: 5516602566127dd437c4d2ad9d1700c474b76970
       path: platform/flutter
   webview_flutter: ^4.14.1
 
diff --git a/shared/src/logseq_chat/core/outliner_state.ml b/shared/src/logseq_chat/core/outliner_state.ml
index 02af8e23..10ae3696 100644
--- a/shared/src/logseq_chat/core/outliner_state.ml
+++ b/shared/src/logseq_chat/core/outliner_state.ml
@@ -37,6 +37,8 @@ type outliner_toolbar =
   | Task
   | Outdent
   | Indent
+  | Move_up
+  | Move_down
   | Tag_action
   | Page_reference
   | Camera
@@ -804,22 +806,46 @@ let outdent (context : outliner_context) selected =
       |> (fun parent ->
         match parent with
         | Some (parent : Model.block) ->
-          if
-            selection_is_contiguous roots
-              (sorted_siblings context (Some parent.uuid))
-          then
+          let siblings = sorted_siblings context (Some parent.uuid) in
+          if selection_is_contiguous roots siblings then
             let parent_uuid =
               match parent.parent_id with
               | Some uuid -> uuid
               | None -> parent.page_id
             in
-            let siblings = sorted_siblings context (Some parent_uuid) in
-            (match index_of_uuid parent.uuid siblings with
+            let parent_row = sorted_siblings context (Some parent_uuid) in
+            (match index_of_uuid parent.uuid parent_row with
              | Some index ->
-               moves_with_orders roots parent_uuid parent.order
-                 (if index + 1 < List.length siblings then
-                    (List.nth siblings (index + 1)).order
-                  else None)
+               (match
+                  moves_with_orders roots parent_uuid parent.order
+                    (if index + 1 < List.length parent_row then
+                       (List.nth parent_row (index + 1)).order
+                     else None)
+                with
+                | Some moves ->
+                  (* logseq direct outdenting: the trailing siblings of the
+                     last moved block become its children *)
+                  let last_index =
+                    List.fold_left max 0 (selection_indices roots siblings)
+                  in
+                  let last = List.nth siblings last_index in
+                  let trailing =
+                    List.filteri (fun i _ -> i > last_index) siblings
+                  in
+                  (match trailing with
+                   | [] -> Some moves
+                   | trailing ->
+                     let lower =
+                       match
+                         List.rev (sorted_siblings context (Some last.uuid))
+                       with
+                       | child :: _ -> child.order
+                       | [] -> None
+                     in
+                     (match moves_with_orders trailing last.uuid lower None with
+                      | Some adopted -> Some (moves @ adopted)
+                      | None -> Some moves))
+                | None -> None)
              | None -> None)
           else None
         | None -> None)
@@ -1013,6 +1039,86 @@ let toolbar_insert (state : outliner_state) text backward =
       [ Haptic Impact ]
   | None -> step state []
 
+let move (context : outliner_context) selected up_ =
+  let roots = selected_roots context selected in
+  match roots with
+  | [] -> None
+  | first :: _ ->
+    if not (same_parent roots (first : Model.block).parent_id) then None
+    else
+      let parent =
+        match first.parent_id with Some uuid -> uuid | None -> first.page_id
+      in
+      let siblings = sorted_siblings context (Some parent) in
+      (match selection_indices roots siblings with
+       | [] -> None
+       | first_index :: _ as indices ->
+         if not (selection_is_contiguous roots siblings) then None
+         else
+           let last_index = first_index + List.length indices - 1 in
+           (* like logseq's move-blocks-up-down: at a boundary the selection
+              crosses into the parent's neighbor as its first child *)
+           let parent_neighbor before =
+             if parent = first.page_id then None
+             else
+               match find_block context parent with
+               | Some parent_block ->
+                 let grandparent =
+                   match (parent_block : Model.block).parent_id with
+                   | Some uuid -> uuid
+                   | None -> parent_block.page_id
+                 in
+                 let parent_siblings =
+                   sorted_siblings context (Some grandparent)
+                 in
+                 (match index_of_uuid parent_block.uuid parent_siblings with
+                  | Some index ->
+                    let neighbor_index =
+                      if before then index - 1 else index + 1
+                    in
+                    if
+                      neighbor_index < 0
+                      || neighbor_index >= List.length parent_siblings
+                    then None
+                    else Some (List.nth parent_siblings neighbor_index)
+                  | None -> None)
+               | None -> None
+           in
+           let first_child_order (block : Model.block) =
+             match sorted_siblings context (Some block.uuid) with
+             | child :: _ -> child.order
+             | [] -> None
+           in
+           if up_ then
+             if first_index = 0 then
+               match parent_neighbor true with
+               | Some neighbor ->
+                 moves_with_orders roots neighbor.uuid None
+                   (first_child_order neighbor)
+               | None -> None
+             else
+               let target = List.nth siblings (first_index - 1) in
+               let lower =
+                 if first_index > 1 then
+                   (List.nth siblings (first_index - 2)).order
+                 else None
+               in
+               moves_with_orders roots parent lower target.order
+           else if last_index + 1 >= List.length siblings then
+             match parent_neighbor false with
+             | Some neighbor ->
+               moves_with_orders roots neighbor.uuid None
+                 (first_child_order neighbor)
+             | None -> None
+           else
+             let target = List.nth siblings (last_index + 1) in
+             let upper =
+               if last_index + 2 < List.length siblings then
+                 (List.nth siblings (last_index + 2)).order
+               else None
+             in
+             moves_with_orders roots parent target.order upper)
+
 let toolbar_move context (state : outliner_state) outdent_ =
   let moves =
     if outdent_ then outdent context (interaction_targets state)
@@ -1023,6 +1129,11 @@ let toolbar_move context (state : outliner_state) outdent_ =
      | Some moves -> [ Reparent_blocks moves; Haptic Impact ]
      | None -> [ Haptic Impact ])
 
+let toolbar_reorder context (state : outliner_state) up_ =
+  match move context (interaction_targets state) up_ with
+  | Some moves -> step state [ Reparent_blocks moves; Haptic Impact ]
+  | None -> step state [ Haptic Impact ]
+
 let choose_completion context (state : outliner_state) value =
   match (state.editing, state.autocomplete) with
   | Some editing, Some request ->
@@ -1172,6 +1283,8 @@ let update context (state : outliner_state) message =
      | None -> step state [])
   | Toolbar Indent -> toolbar_move context state false
   | Toolbar Outdent -> toolbar_move context state true
+  | Toolbar Move_up -> toolbar_reorder context state true
+  | Toolbar Move_down -> toolbar_reorder context state false
   | Toolbar Delete ->
     let uuids = selected_uuids state in
     step
diff --git a/shared/src/logseq_chat/core/outliner_state.mli b/shared/src/logseq_chat/core/outliner_state.mli
index 0810dbc0..f1210f2e 100644
--- a/shared/src/logseq_chat/core/outliner_state.mli
+++ b/shared/src/logseq_chat/core/outliner_state.mli
@@ -34,6 +34,8 @@ type outliner_toolbar =
   | Task
   | Outdent
   | Indent
+  | Move_up
+  | Move_down
   | Tag_action
   | Page_reference
   | Camera
@@ -222,6 +224,11 @@ val selection_is_contiguous :
 val same_parent : Cache_model.block list -> string option -> bool
 val indent : outliner_context -> Sset.t -> Pending_ops.pending_move list option
 val outdent : outliner_context -> Sset.t -> Pending_ops.pending_move list option
+val move :
+  outliner_context ->
+  Sset.t ->
+  bool ->
+  Pending_ops.pending_move list option
 val ancestor_uuids : outliner_context -> Cache_model.block -> Sset.t
 val drop :
   outliner_context ->
@@ -253,6 +260,11 @@ val toolbar_move :
   outliner_state ->
   bool ->
   outliner_state * outliner_command list
+val toolbar_reorder :
+  outliner_context ->
+  outliner_state ->
+  bool ->
+  outliner_state * outliner_command list
 val choose_completion :
   outliner_context ->
   outliner_state ->
diff --git a/shared/src/logseq_chat/core/rpc_wire.ml b/shared/src/logseq_chat/core/rpc_wire.ml
index cd6deffa..352ecae1 100644
--- a/shared/src/logseq_chat/core/rpc_wire.ml
+++ b/shared/src/logseq_chat/core/rpc_wire.ml
@@ -63,6 +63,8 @@ let toolbar_action wire =
   | "task" -> Ok Outliner.Task
   | "outdent" -> Ok Outliner.Outdent
   | "indent" -> Ok Outliner.Indent
+  | "moveUp" -> Ok Outliner.Move_up
+  | "moveDown" -> Ok Outliner.Move_down
   | "tag" -> Ok Outliner.Tag_action
   | "pageReference" -> Ok Outliner.Page_reference
   | "camera" -> Ok Outliner.Camera
diff --git a/shared/src/logseq_chat/view_outliner.ml b/shared/src/logseq_chat/view_outliner.ml
index 63c0b13f..f44cd5e7 100644
--- a/shared/src/logseq_chat/view_outliner.ml
+++ b/shared/src/logseq_chat/view_outliner.ml
@@ -688,6 +688,10 @@ let outliner_editor_toolbar (context : Lui_ui.ui_context) model_source send
               "button.outliner.editor.outdent" "outdent" send;
             toolbar_button (`app "toolbar-indent") "Indent"
               "button.outliner.editor.indent" "indent" send;
+            toolbar_button (`app "toolbar-move-up") "Move up"
+              "button.outliner.editor.moveUp" "moveUp" send;
+            toolbar_button (`app "toolbar-move-down") "Move down"
+              "button.outliner.editor.moveDown" "moveDown" send;
             toolbar_button (`app "toolbar-tag") "Tag"
               "button.outliner.editor.tag" "tag" send;
             toolbar_button (`app "toolbar-camera") "Photo"
@@ -730,6 +734,10 @@ let outliner_editor_toolbar (context : Lui_ui.ui_context) model_source send
           "button.outliner.editor.outdent" "outdent";
         apple_icon_button (`app "toolbar-indent") "Indent"
           "button.outliner.editor.indent" "indent";
+        apple_icon_button (`app "toolbar-move-up") "Move up"
+          "button.outliner.editor.moveUp" "moveUp";
+        apple_icon_button (`app "toolbar-move-down") "Move down"
+          "button.outliner.editor.moveDown" "moveDown";
         apple_icon_button (`app "toolbar-tag") "Tag"
           "button.outliner.editor.tag" "tag";
         apple_icon_button (`app "toolbar-camera") "Photo"
diff --git a/shared/test/logseq_chat/app_test.ml b/shared/test/logseq_chat/app_test.ml
index 5b04063a..452220b6 100644
--- a/shared/test/logseq_chat/app_test.ml
+++ b/shared/test/logseq_chat/app_test.ml
@@ -7676,7 +7676,7 @@ let flutter_outliner_editor_toolbar_uses_a_material_bottom_surface () =
     (property_string renderer editor_container Lui_protocol.BackgroundValue)
     "surface-container-low";
   check_eq ~msg:"all editor actions remain reachable by horizontal scroll"
-    (List.length buttons) 9;
+    (List.length buttons) 11;
   List.iter
     (fun button ->
        check_eq ~msg:"every editor action has a 48dp target"
@@ -7689,7 +7689,7 @@ let flutter_outliner_editor_toolbar_uses_a_material_bottom_surface () =
          (property_string renderer button Lui_protocol.SizeValue)
          "icon")
     buttons;
-  let page_reference = List.nth buttons 7 in
+  let page_reference = List.nth buttons 9 in
   check_eq ~msg:"page reference does not use an unrelated code glyph"
     (property_string renderer page_reference Lui_protocol.InlineIconName)
     "<missing>";
@@ -7831,16 +7831,18 @@ let outliner_editor_toolbar_and_autocomplete_use_core_owned_state () =
       (0, "app:toolbar-task");
       (1, "app:toolbar-outdent");
       (2, "app:toolbar-indent");
-      (3, "app:toolbar-tag");
-      (4, "app:toolbar-camera");
-      (5, "app:toolbar-audio");
+      (3, "app:toolbar-move-up");
+      (4, "app:toolbar-move-down");
+      (5, "app:toolbar-tag");
+      (6, "app:toolbar-camera");
+      (7, "app:toolbar-audio");
     ];
   check_eq ~msg:"the iOS editor toolbar omits the file picker"
     (descendant_with_identifier renderer editor_toolbar
        "button.outliner.editor.attachment")
     (-1);
-  let page_reference_button = List.nth editor_buttons 6 in
-  let hide_keyboard_button = List.nth editor_buttons 7 in
+  let page_reference_button = List.nth editor_buttons 8 in
+  let hide_keyboard_button = List.nth editor_buttons 9 in
   check_eq ~msg:"page reference retains main's compact symbolic label"
     (property_string renderer page_reference_button Lui_protocol.TextValue)
     "[[]]";
diff --git a/shared/test/logseq_chat/outliner_state_test.ml b/shared/test/logseq_chat/outliner_state_test.ml
index e30fcbf3..aa0ef22e 100644
--- a/shared/test/logseq_chat/outliner_state_test.ml
+++ b/shared/test/logseq_chat/outliner_state_test.ml
@@ -391,6 +391,81 @@ let selected_indent_and_outdent_stay_atomic_and_preserve_selection () =
   check (compare a.Ops.order b.Ops.order < 0);
   check (compare b.Ops.order "a1" < 0)
 
+let move_up_and_down_reorder_siblings_and_keep_focus () =
+  let ctx =
+    context_for
+      [
+        row "first" "page" "a0";
+        row "second" "page" "a1";
+        row "third" "page" "a2";
+      ]
+  in
+  let editing = fst (step ctx State.empty (State.Tap_block "third")) in
+  let next, commands = step ctx editing (State.Toolbar State.Move_up) in
+  let batch = moves commands in
+  check_eq (State.editing_uuid next) (Some "third");
+  check_eq (List.map (fun (m : Ops.pending_move) -> m.uuid) batch)
+    [ "third" ];
+  check_eq (List.hd batch).Ops.parent_uuid "page";
+  check (compare "a0" (List.hd batch).Ops.order < 0);
+  check (compare (List.hd batch).Ops.order "a1" < 0);
+  let current =
+    advance ctx State.empty
+      [ State.Long_press_block "first"; State.Tap_block "second" ]
+  in
+  let next, commands = step ctx current (State.Toolbar State.Move_down) in
+  let batch = moves commands in
+  check_eq (selected next) [ "first"; "second" ];
+  check_eq (List.map (fun (m : Ops.pending_move) -> m.uuid) batch)
+    [ "first"; "second" ];
+  check
+    (List.for_all
+       (fun (m : Ops.pending_move) -> compare "a2" m.Ops.order < 0)
+       batch);
+  let first_editing = fst (step ctx State.empty (State.Tap_block "first")) in
+  check_eq (snd (step ctx first_editing (State.Toolbar State.Move_up)))
+    [ State.Haptic State.Impact ];
+  let last_editing = fst (step ctx State.empty (State.Tap_block "third")) in
+  check_eq (snd (step ctx last_editing (State.Toolbar State.Move_down)))
+    [ State.Haptic State.Impact ]
+
+let move_up_down_at_boundary_crosses_into_neighbor_parent () =
+  let ctx =
+    context_for
+      [
+        row "ra" "page" "a0";
+        row "ca" "ra" "a0";
+        row "rb" "page" "a1";
+        row "cb1" "rb" "a0";
+        row "cb2" "rb" "a1";
+        row "rc" "page" "a2";
+      ]
+  in
+  let editing = fst (step ctx State.empty (State.Tap_block "cb1")) in
+  let next, commands = step ctx editing (State.Toolbar State.Move_up) in
+  let batch = moves commands in
+  check_eq (State.editing_uuid next) (Some "cb1");
+  check_eq (List.map (fun (m : Ops.pending_move) -> m.uuid) batch) [ "cb1" ];
+  check_eq (List.hd batch).Ops.parent_uuid "ra";
+  check (compare (List.hd batch).Ops.order "a0" < 0);
+  let editing = fst (step ctx State.empty (State.Tap_block "cb2")) in
+  let _, commands = step ctx editing (State.Toolbar State.Move_down) in
+  let batch = moves commands in
+  check_eq (List.map (fun (m : Ops.pending_move) -> m.uuid) batch) [ "cb2" ];
+  check_eq (List.hd batch).Ops.parent_uuid "rc";
+  let nested =
+    context_for
+      [
+        row "rp" "page" "a0";
+        row "only" "rp" "a0";
+      ]
+  in
+  let editing = fst (step nested State.empty (State.Tap_block "only")) in
+  check_eq (snd (step nested editing (State.Toolbar State.Move_up)))
+    [ State.Haptic State.Impact ];
+  check_eq (snd (step nested editing (State.Toolbar State.Move_down)))
+    [ State.Haptic State.Impact ]
+
 let delete_confirmation_is_consumed_once () =
   let current = fst (step context State.empty (State.Long_press_block "a")) in
   let asked, commands = step context current (State.Toolbar State.Delete) in
@@ -1047,6 +1122,10 @@ let cases =
       return_only_outdents_the_final_empty_child;
     case "selected indent and outdent stay atomic and preserve selection"
       selected_indent_and_outdent_stay_atomic_and_preserve_selection;
+    case "move up and down reorder siblings and keep focus"
+      move_up_and_down_reorder_siblings_and_keep_focus;
+    case "move up and down cross the parent boundary at edges"
+      move_up_down_at_boundary_crosses_into_neighbor_parent;
     case "delete confirmation is consumed once"
       delete_confirmation_is_consumed_once;
     case "drop rejects descendants and valid drop clears selection"
diff --git a/shared/test/logseq_chat/rpc_test.ml b/shared/test/logseq_chat/rpc_test.ml
index d7be6f5b..65a2f3e2 100644
--- a/shared/test/logseq_chat/rpc_test.ml
+++ b/shared/test/logseq_chat/rpc_test.ml
@@ -5063,6 +5063,8 @@ let toolbar_wire_actions_preserve_all_public_mappings () =
       ("task", Outliner.Task);
       ("outdent", Outliner.Outdent);
       ("indent", Outliner.Indent);
+      ("moveUp", Outliner.Move_up);
+      ("moveDown", Outliner.Move_down);
       ("tag", Outliner.Tag_action);
       ("pageReference", Outliner.Page_reference);
       ("camera", Outliner.Camera);