diff --git a/pyproject.toml b/pyproject.toml
index 9fb98c3..6950554 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "flask-moreshell"
-version = "0.1.2"
+version = "0.1.3"
 description = "Flask Moreshell"
 authors = ["JAEGYUN JUNG <twicegoddessana1229@gmail.com>"]
 license = "MIT"
diff --git a/tests/shells/test_bpython_shell.py b/tests/shells/test_bpython_shell.py
index 7a6ba96..9241040 100644
--- a/tests/shells/test_bpython_shell.py
+++ b/tests/shells/test_bpython_shell.py
@@ -2,7 +2,7 @@
 
 import pytest
 
-from flask_moreshell.shells import BPythonShell
+from flask_moreshell.shells.bpython_shell import BPythonShell
 
 
 @pytest.fixture
diff --git a/tests/shells/test_ipython_shell.py b/tests/shells/test_ipython_shell.py
index 0e01c66..6ad992a 100644
--- a/tests/shells/test_ipython_shell.py
+++ b/tests/shells/test_ipython_shell.py
@@ -1,11 +1,11 @@
 import pytest
 
-from flask_moreshell.shells import IpythonShell
+from flask_moreshell.shells.ipython_shell import IPythonShell
 
 
 @pytest.fixture
 def ipython_shell():
-    return IpythonShell()
+    return IPythonShell()
 
 
 def test_get_shell_name(ipython_shell):
diff --git a/tests/shells/test_ptpython_shell.py b/tests/shells/test_ptpython_shell.py
index e41e565..f0f6e43 100644
--- a/tests/shells/test_ptpython_shell.py
+++ b/tests/shells/test_ptpython_shell.py
@@ -3,7 +3,7 @@
 import pytest
 from flask import Flask
 
-from flask_moreshell.shells import PTPythonShell
+from flask_moreshell.shells.ptpython_shell import PTPythonShell
 
 
 @pytest.fixture