diff --git a/README.md b/README.md
index d6e4ece..5f52608 100644
--- a/README.md
+++ b/README.md
@@ -19,11 +19,12 @@ Solutions for [Advent of Code](https://adventofcode.com/) in [Rust](https://www.
 
 | Day | Part 1 | Part 2 |
 | :---: | :---: | :---:  |
-| [Day 1](./src/bin/01.rs) | `52.7µs` | `83.1µs` |
-| [Day 2](./src/bin/02.rs) | `177.3µs` | `378.1µs` |
-| [Day 3](./src/bin/03.rs) | `352.4µs` | `334.8µs` |
+| [Day 1](./src/bin/01.rs) | `52.5µs` | `83.5µs` |
+| [Day 2](./src/bin/02.rs) | `179.5µs` | `390.3µs` |
+| [Day 3](./src/bin/03.rs) | `358.1µs` | `335.4µs` |
+| [Day 4](./src/bin/04.rs) | `5.8ms` | `110.4µs` |
 
-**Total: 1.38ms**
+**Total: 7.31ms**
 <!--- benchmarking table --->
 
 ---