diff --git a/2018/Cargo.toml b/2018/Cargo.toml
index aecd18f..4979375 100644
--- a/2018/Cargo.toml
+++ b/2018/Cargo.toml
@@ -8,7 +8,7 @@ description = "Implementation of the problems of Advent of Code 2018"
 clap = "2.32"
 regex = "1.1.0"
 chrono = "0.4.6"
-itertools = "0.7.11"
+itertools = "0.8"
 
 [dev-dependencies]
 bencher = "0.1.5"
diff --git a/2018/src/day10.rs b/2018/src/day10.rs
index 0e81516..28c7532 100644
--- a/2018/src/day10.rs
+++ b/2018/src/day10.rs
@@ -68,14 +68,14 @@ impl Day10 {
     }
 
     fn height(&self) -> i32 {
-        match self.points.iter().skip(1).step(2).minmax() {
+        match self.points.iter().skip(1).step_by(2).minmax() {
             MinMaxResult::MinMax(x, y) => { y - x + 1 }
             _ => panic!("Input does not make sense."),
         }
     }
 
     fn underestimate_time(&self) -> i32 {
-        let (lower, upper) = match self.points.iter().enumerate().skip(1).step(2).minmax_by_key(|&(_, y)| y) {
+        let (lower, upper) = match self.points.iter().enumerate().skip(1).step_by(2).minmax_by_key(|&(_, y)| y) {
             MinMaxResult::MinMax((x, _), (y, _)) => (x, y),
             _ => panic!("Input does not make sense"),
         };