diff --git a/fasttyper/components.py b/fasttyper/components.py
index fb50bd5..3142d2d 100644
--- a/fasttyper/components.py
+++ b/fasttyper/components.py
@@ -256,9 +256,13 @@ class BufferDependentComponent(BorderedBox):
 
             self.current_word_idx -= 1
 
-        while self.current_line > self.prefered_line or self.current_line == self.height:
+        while (
+            self.current_line > self.prefered_line or self.current_line == self.height
+        ):
             self.shift_lines_up()
-        while (self.current_line < self.prefered_line or self.current_line < 0) and self.last_hidden_word > 0:
+        while (
+            self.current_line < self.prefered_line or self.current_line < 0
+        ) and self.last_hidden_word > 0:
             self.shift_lines_down()
 
         self.update_cursor()
@@ -279,7 +283,12 @@ class BorderWithImprintedStats(BufferDependentComponent):
     def paint_stats(self):
         text = self.stats_template.format(stats=self.buffer.stats)
         if len(text) < self.width - 2:
-            self.paint_text(self.stats_row, 2, text + " " * (self.width - 2 - len(text)), self.stats_color)
+            self.paint_text(
+                self.stats_row,
+                2,
+                text + " " * (self.width - 2 - len(text)),
+                self.stats_color,
+            )
 
 
 class TextBox(BorderWithImprintedStats):
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a664aa0
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+readchar
diff --git a/setup.cfg b/setup.cfg
index 7d09ac7..ca4d2cf 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.6.0
+current_version = 2.0.0
 
 [wheel]
 universal = 1
diff --git a/setup.py b/setup.py
index a16f8f7..12eb6c2 100644
--- a/setup.py
+++ b/setup.py
@@ -3,9 +3,13 @@ from setuptools import find_packages, setup
 with open("README.md", "r", encoding="utf-8") as fh:
     long_description = fh.read()
 
+with open("requirements.txt", "r", encoding="utf-8") as fh:
+    requirements = fh.read().splitlines()
+
+
 setup(
     name="fasttyper",
-    version="1.6.0",
+    version="2.0.0",
     author="Piotr Domanski",
     author_email="pi.domanski@gmail.com",
     description="Minimalistic typing exercise",
@@ -19,6 +23,7 @@ setup(
     ],
     packages=find_packages(),
     python_requires=">=3.6",
+    install_requires=requirements,
     entry_points={
         "console_scripts": [
             "fasttyper=fasttyper.runner:runner",