diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84845a1..7e1bc70 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   lint:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v2
     - name: style
@@ -13,7 +13,7 @@ jobs:
       run: cargo clippy --all-targets --all-features -- -D warnings
   
   test:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         target: [
diff --git a/Cargo.toml b/Cargo.toml
index 3519d4b..74a00e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "dashmap"
 version = "5.4.0"
 authors = ["Acrimon <joel.wejdenstal@gmail.com>"]
 edition = "2018"
-rust-version = "1.59"
+rust-version = "1.64"
 license = "MIT"
 repository = "https://github.com/xacrimon/dashmap"
 homepage = "https://github.com/xacrimon/dashmap"
@@ -18,13 +18,13 @@ raw-api = []
 inline = ["hashbrown/inline-more"]
 
 [dependencies]
-lock_api = "0.4.8"
-parking_lot_core = "0.9.3"
-hashbrown = { version = "0.12.3", default-features = false }
-serde = { version = "1.0.144", optional = true, features = ["derive"] }
+lock_api = "0.4.10"
+parking_lot_core = "0.9.8"
+hashbrown = { version = "0.14.0", default-features = false }
+serde = { version = "1.0.171", optional = true, features = ["derive"] }
 cfg-if = "1.0.0"
-rayon = { version = "1.5.3", optional = true }
-once_cell = "1.13.1"
+rayon = { version = "1.7.0", optional = true }
+once_cell = "1.18.0"
 
 [package.metadata.docs.rs]
 features = ["rayon", "raw-api", "serde"]
diff --git a/README.md b/README.md
index c06a5c0..1de225a 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ If you have any suggestions or tips do not hesitate to open an issue or a PR.
 
 [![downloads](https://img.shields.io/crates/d/dashmap)](https://crates.io/crates/dashmap)
 
-[![minimum rustc version](https://img.shields.io/badge/rustc-1.59-orange.svg)](https://crates.io/crates/dashmap)
+[![minimum rustc version](https://img.shields.io/badge/rustc-1.64-orange.svg)](https://crates.io/crates/dashmap)
 
 ## Cargo features
 
diff --git a/rust-toolchain b/rust-toolchain
index 62d03d5..3eca0d4 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.59"
-components = [ "rustfmt", "clippy" ]
+channel = "stable-2022-09-22"
+components = ["rustfmt", "clippy"]
 profile = "minimal"
diff --git a/src/iter.rs b/src/iter.rs
index cc2f12e..ce50e73 100644
--- a/src/iter.rs
+++ b/src/iter.rs
@@ -118,7 +118,7 @@ pub struct Iter<'a, K, V, S = RandomState, M = DashMap<K, V, S>> {
     current: Option<GuardIter<'a, K, V, S>>,
 }
 
-impl<'a, 'i, K: Clone + Hash + Eq, V: Clone, S: Clone + BuildHasher> Clone for Iter<'i, K, V, S> {
+impl<'i, K: Clone + Hash + Eq, V: Clone, S: Clone + BuildHasher> Clone for Iter<'i, K, V, S> {
     fn clone(&self) -> Self {
         Iter::new(self.map)
     }
diff --git a/src/lib.rs b/src/lib.rs
index e552a96..9f96b96 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1263,7 +1263,7 @@ where
     }
 }
 
-impl<'a, K: Eq + Hash, V, S: BuildHasher + Clone> IntoIterator for DashMap<K, V, S> {
+impl<K: Eq + Hash, V, S: BuildHasher + Clone> IntoIterator for DashMap<K, V, S> {
     type Item = (K, V);
 
     type IntoIter = OwningIter<K, V, S>;
diff --git a/src/rayon/map.rs b/src/rayon/map.rs
index 4fc0c43..ab45e61 100644
--- a/src/rayon/map.rs
+++ b/src/rayon/map.rs
@@ -173,7 +173,7 @@ where
     }
 }
 
-impl<'a, K, V, S> DashMap<K, V, S>
+impl<K, V, S> DashMap<K, V, S>
 where
     K: Send + Sync + Eq + Hash,
     V: Send + Sync,
diff --git a/src/set.rs b/src/set.rs
index 12445a9..1a56177 100644
--- a/src/set.rs
+++ b/src/set.rs
@@ -385,7 +385,7 @@ impl<'a, K: 'a + Eq + Hash, S: BuildHasher + Clone> DashSet<K, S> {
     }
 }
 
-impl<'a, K: Eq + Hash, S: BuildHasher + Clone> IntoIterator for DashSet<K, S> {
+impl<K: Eq + Hash, S: BuildHasher + Clone> IntoIterator for DashSet<K, S> {
     type Item = K;
 
     type IntoIter = OwningIter<K, S>;