diff --git a/aoc2023/Cargo.toml b/aoc2023/Cargo.toml
index 0f20cef..25d8830 100644
--- a/aoc2023/Cargo.toml
+++ b/aoc2023/Cargo.toml
@@ -16,7 +16,7 @@ aoc-runner-derive = { workspace = true }
 indoc = { workspace = true }
 
 derive_more = { version = "0.99" }
-itertools = { version = "0.12" }
+itertools = { version = "0.13" }
 num = { version = "0.4" }
 num-integer = { version = "0.1" }
 pathfinding = { version = "4.4" }