diff --git a/advent/advent2022/__init__.py b/advent/advent2022/__init__.py
index 271ea01..f41d237 100644
--- a/advent/advent2022/__init__.py
+++ b/advent/advent2022/__init__.py
@@ -1,5 +1,6 @@
 from .day1 import Day1
 from .day2 import Day2
 from .day3 import Day3
+from .day4 import Day4
 
-days = {1: Day1, 2: Day2, 3: Day3}
+days = {1: Day1, 2: Day2, 3: Day3, 4: Day4}
diff --git a/advent/advent2022/day4.py b/advent/advent2022/day4.py
new file mode 100644
index 0000000..d3c30a4
--- /dev/null
+++ b/advent/advent2022/day4.py
@@ -0,0 +1,6 @@
+from advent.day import Day
+
+
+class Day4(Day):
+    year = 2022
+    day = 4
diff --git a/inputs/2022/day4input.txt b/inputs/2022/day4input.txt
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_2022day4.py b/tests/test_2022day4.py
new file mode 100644
index 0000000..754bac4
--- /dev/null
+++ b/tests/test_2022day4.py
@@ -0,0 +1,10 @@
+import unittest
+import pytest
+from .test_day import DayTest
+from advent.advent2022 import day4
+
+@pytest.mark.day
+class TestDay4(DayTest):
+    test_day = day4.Day4()
+    expected_part_1 = "Advent 2022 Day 4 part 1 not yet implemented."
+    expected_part_2 = "Advent 2022 Day 4 part 2 not yet implemented."