diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06233fd..6e3b625 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,10 @@ adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 - Simple benchmark to track the rough performance penalty incurred by dependency tracking.
 
+### Changed
+
+- The project now targets edition 2021
+
 ## [0.1.2] - 2021-05-27
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index 47bcb36..e378f48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "tracing-mutex"
 version = "0.1.2"
 authors = ["Bert Peters <bert@bertptrs.nl>"]
-edition = "2018"
+edition = "2021"
 license = "MIT OR Apache-2.0"
 documentation = "https://docs.rs/tracing-mutex"
 categories = ["concurrency", "development-tools::debugging"]
diff --git a/src/graph.rs b/src/graph.rs
index 8ce3832..a98b022 100644
--- a/src/graph.rs
+++ b/src/graph.rs
@@ -115,7 +115,7 @@ where
 
         if lb < ub {
             // This edge might introduce a cycle, need to recompute the topological sort
-            let mut visited = IntoIterator::into_iter([x, y]).collect();
+            let mut visited = [x, y].into_iter().collect();
             let mut delta_f = Vec::new();
             let mut delta_b = Vec::new();