diff --git a/Haskell/unzip.hs b/Haskell/unzip.hs
new file mode 100644
index 0000000..eb2b1fc
--- /dev/null
+++ b/Haskell/unzip.hs
@@ -0,0 +1,7 @@
+-- 4.
+-- unzip' [('a', 1), ('b', 2)] = ("ab", [1, 2])
+
+unzip'' :: ([a], [b]) -> [(a, b)] -> ([a], [b])
+unzip'' l [] = l
+unzip'' (a, b) ((c, d):xs) = unzip''(a ++ [c], b ++ [d]) xs
+unzip' l = unzip'' ([], []) l