diff --git a/poetry.lock b/poetry.lock
index 6622f4f..0512439 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -14,14 +14,14 @@ files = [
 
 [[package]]
 name = "asyncgui"
-version = "0.8.0"
+version = "0.9.3"
 description = "A minimalistic async library that focuses on fast responsiveness"
 optional = false
 python-versions = "<4.0,>=3.9"
 groups = ["main"]
 files = [
-    {file = "asyncgui-0.8.0-py3-none-any.whl", hash = "sha256:69b5d9aae17283c2bbb948c8f93cd03c2bbca5c060bbbce11ceeecb0292e5c03"},
-    {file = "asyncgui-0.8.0.tar.gz", hash = "sha256:daca14460f42c04586a4f824ccb7b43c24ea6cbda5ee3852aef43db5b69fe83c"},
+    {file = "asyncgui-0.9.3-py3-none-any.whl", hash = "sha256:ed73fc00c68d7e0d804eb239f2ad9c319dce57a5d31342c19aadc18f44270103"},
+    {file = "asyncgui-0.9.3.tar.gz", hash = "sha256:46b283946a1814f600b502ee48082be9681097a72d8d011305e453d683a9064b"},
 ]
 
 [package.dependencies]
@@ -715,4 +715,4 @@ zstd = ["zstandard (>=0.18.0)"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "2956f3254f29ccd2d8d8ddcaff9717701a5089c7ab3b679bfe07d60acec4bb97"
+content-hash = "7d7745bae3bb7d5043353a8442c90e644edd605ce32f5fe8c4286608e544d767"
diff --git a/pyproject.toml b/pyproject.toml
index 99fbde0..82f6a26 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "asyncgui-ext-queue"
-version = "0.3.0"
+version = "0.3.1"
 description = "An asyncio.Queue equivalence for asyncgui"
 authors = ["Nattōsai Mitō <flow4re2c@gmail.com>"]
 license = "MIT"
@@ -26,7 +26,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "^3.10"
-asyncgui = ">=0.7,<0.9"
+asyncgui = ">=0.9.3,<1.0.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0"
diff --git a/src/asyncgui_ext/queue.py b/src/asyncgui_ext/queue.py
index 5707149..b548f6c 100644
--- a/src/asyncgui_ext/queue.py
+++ b/src/asyncgui_ext/queue.py
@@ -284,15 +284,15 @@ def transfer_items(self, *_unused):
             while True:
                 while (not self.is_full) and putters:
                     putter, item = next_putter()
-                    if (cb := putter._callback) is not None:
+                    if (task := putter._waiting_task) is not None:
                         c_put(item)
-                        cb(None)
+                        task._step(None)
                 if (not getters) or self.is_empty:
                     break
                 while (not self.is_empty) and getters:
                     getter = next_getter()
-                    if (cb := getter._callback) is not None:
-                        cb(None, c_get())
+                    if (task := getter._waiting_task) is not None:
+                        task._step(None, c_get())
                 if (not putters) or self.is_full:
                     break
         finally: