diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5da6281..98e1f3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -171,6 +171,8 @@ Main commands:
 * `gooseberry move` - move annotations from one group to another (**move** not copy). Useful if you have a bunch of
   annotations scattered around and want to move them into one group for gooseberry.
 
+[0.9.2]: https://github.com/out-of-cheese-error/gooseberry/compare/0.9.1...0.9.2
+
 [0.9.1]: https://github.com/out-of-cheese-error/gooseberry/compare/0.9.0...0.9.1
 
 [0.9.0]: https://github.com/out-of-cheese-error/gooseberry/compare/0.8.1...0.9.0
diff --git a/Cargo.lock b/Cargo.lock
index b2e3af7..d996910 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2636,15 +2636,16 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.17.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
+checksum = "0f48b6d60512a392e34dbf7fd456249fd2de3c83669ab642e021903f4015185b"
 dependencies = [
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
+ "once_cell",
  "pin-project-lite",
  "socket2",
  "tokio-macros",
diff --git a/Cargo.toml b/Cargo.toml
index 2f9a9b3..e639026 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "gooseberry"
 version = "0.9.2"
 authors = ["Ninjani"]
-edition = "2018"
+edition = "2021"
 description = "A command line utility to generate a knowledge base from Hypothesis annotations "
 repository = "https://github.com/out-of-cheese-error/gooseberry"
 readme = "README.md"
@@ -14,7 +14,7 @@ include = ["src/**/*", "README.md"]
 [dependencies]
 # Hypothesis
 hypothesis = { version = "0.10.2", default-features = false }
-tokio = { version = "1.17.0", features = ["macros"] }
+tokio = { version = "1.18.0", features = ["macros"] }
 
 # To extract the base URI
 url = "2.2.2"
diff --git a/src/gooseberry/knowledge_base.rs b/src/gooseberry/knowledge_base.rs
index 7cde24d..018bf31 100644
--- a/src/gooseberry/knowledge_base.rs
+++ b/src/gooseberry/knowledge_base.rs
@@ -225,7 +225,7 @@ fn group_annotations_by_order(
     order_to_annotations
 }
 
-fn sort_annotations(sort: &[OrderBy], annotations: &mut Vec<AnnotationTemplate>) {
+fn sort_annotations(sort: &[OrderBy], annotations: &mut [AnnotationTemplate]) {
     annotations.sort_by(|a, b| {
         sort.iter().fold(Ordering::Equal, |acc, &field| {
             acc.then_with(|| match field {
@@ -307,7 +307,7 @@ impl Gooseberry {
         make: bool,
         index: bool,
     ) -> color_eyre::Result<()> {
-        let mut annotations = annotations
+        let mut annotations: Vec<_> = annotations
             .into_iter()
             .map(AnnotationTemplate::from_annotation)
             .collect();