diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..c7ecf5e
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: /
+    schedule:
+      interval: weekly
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 826c8c8..97b95a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rustup update stable --no-self-update
       - run: rustc -Vv
       - run: cargo fmt --all -- --check
@@ -27,7 +27,7 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -50,7 +50,7 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -76,7 +76,7 @@ jobs:
           - stable
           - nightly
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -94,7 +94,7 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -126,7 +126,7 @@ jobs:
       DIVAN_BYTES_COUNT: 1
       DIVAN_CHARS_COUNT: 2
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -153,7 +153,7 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
@@ -179,7 +179,7 @@ jobs:
           - macos-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/cache@v4
         with:
           path: |
diff --git a/Cargo.toml b/Cargo.toml
index f1b5377..962c21f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "divan"
 version = "0.1.21"
-rust-version = "1.80.0"
+rust-version = "1.91.0" # because of const TypeId::of::<T>
 edition = "2021"
 authors = ["Nikolai Vazquez"]
 license = "MIT OR Apache-2.0"
diff --git a/README.md b/README.md
index f8387d0..089cfd7 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ A guide is being worked on. In the meantime, see:
 
 ## Getting Started
 
-Divan `0.1.21` requires Rust `1.80.0` or later.
+Divan `0.1.21` requires Rust `1.91.0` or later.
 
 1. Add the following to your project's [`Cargo.toml`](https://doc.rust-lang.org/cargo/reference/manifest.html):
 
diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index 028895a..df8424d 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -5,19 +5,19 @@ edition = "2021"
 authors = ["Nikolai Vazquez"]
 license = "MIT OR Apache-2.0"
 description = "Examples for Divan, a comfy benchmarking framework."
-readme = "../README.md"
+readme = "README.md"
 publish = false
 
 [dependencies]
 divan = { workspace = true }
 fastrand = "2"
-image = { version = "0.24", optional = true }
+image = { version = "0.25", optional = true }
 libc = "0.2.147"
 rayon = "1"
 
 # Search
 ordsearch = "0.2.5"
-wyhash = "0.5"
+wyhash = "0.6"
 
 # Hash
 blake3 = { version = "1.4", optional = true, features = ["rayon"] }
@@ -29,13 +29,13 @@ seahash = { version = "4.1", optional = true }
 sha1 = { version = "0.10", optional = true }
 sha2 = { version = "0.10", optional = true }
 sha3 = { version = "0.10", optional = true }
-twox-hash = { version = "1.6", optional = true }
+twox-hash = { version = "2.1", optional = true }
 
 [target.'cfg(unix)'.dependencies]
 libc = { workspace = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
-mach2 = "0.4"
+mach2 = "0.5"
 
 [target.'cfg(any(windows, target_os = "linux", target_os = "android"))'.dependencies]
 winapi = { version = "0.3.9", features = ["processthreadsapi"] }
diff --git a/src/counter/any_counter.rs b/src/counter/any_counter.rs
index abc3fb9..9264162 100644
--- a/src/counter/any_counter.rs
+++ b/src/counter/any_counter.rs
@@ -66,7 +66,7 @@ impl AnyCounter {
         &self,
         duration: FineDuration,
         bytes_format: BytesFormat,
-    ) -> DisplayThroughput {
+    ) -> DisplayThroughput<'_> {
         DisplayThroughput {
             counter: self,
             picos: duration.picos as f64,
diff --git a/src/entry/meta.rs b/src/entry/meta.rs
index a910074..d1b3e0e 100644
--- a/src/entry/meta.rs
+++ b/src/entry/meta.rs
@@ -33,7 +33,7 @@ pub struct EntryLocation {
 
 impl EntryMeta {
     #[inline]
-    pub(crate) fn bench_options(&self) -> Option<&BenchOptions> {
+    pub(crate) fn bench_options(&self) -> Option<&BenchOptions<'_>> {
         self.bench_options.as_deref()
     }
 
diff --git a/src/entry/tree.rs b/src/entry/tree.rs
index bbefa9f..72ad219 100644
--- a/src/entry/tree.rs
+++ b/src/entry/tree.rs
@@ -373,7 +373,7 @@ impl<'a> EntryTree<'a> {
         }
     }
 
-    pub fn bench_options(&self) -> Option<&'a BenchOptions> {
+    pub fn bench_options(&self) -> Option<&'a BenchOptions<'_>> {
         self.meta()?.bench_options()
     }
 
diff --git a/src/time/fine_duration.rs b/src/time/fine_duration.rs
index cfa4cb8..878b501 100644
--- a/src/time/fine_duration.rs
+++ b/src/time/fine_duration.rs
@@ -65,7 +65,7 @@ impl fmt::Display for FineDuration {
         {
             match f.align() {
                 None | Some(fmt::Alignment::Left) => {
-                    str.extend(std::iter::repeat(f.fill()).take(fill_len));
+                    str.extend(std::iter::repeat_n(f.fill(), fill_len));
                 }
                 _ => return Err(fmt::Error),
             }
diff --git a/src/time/timestamp/tsc/mod.rs b/src/time/timestamp/tsc/mod.rs
index 76838fc..0733a6f 100644
--- a/src/time/timestamp/tsc/mod.rs
+++ b/src/time/timestamp/tsc/mod.rs
@@ -34,8 +34,9 @@ impl TscTimestamp {
             target_arch = "x86",
             target_arch = "x86_64"
         ))]
-        return NonZeroU64::new(arch::frequency()?)
-            .ok_or(TscUnavailable::ZeroFrequency);
+        return arch::frequency().and_then(|v| {
+            NonZeroU64::new(v).ok_or(TscUnavailable::ZeroFrequency)
+        });
 
         Err(TscUnavailable::Unimplemented)
     }
diff --git a/src/tree_painter.rs b/src/tree_painter.rs
index b271816..c3caf76 100644
--- a/src/tree_painter.rs
+++ b/src/tree_painter.rs
@@ -1,6 +1,6 @@
 //! Happy little trees.
 
-use std::{io::Write, iter::repeat};
+use std::io::Write;
 
 use crate::{
     alloc::{AllocOp, AllocTally},
@@ -68,7 +68,7 @@ impl TreePainter {
             let max_span = self.max_name_span;
             let buf_len = buf.chars().count();
             let pad_len = TREE_COL_BUF + max_span.saturating_sub(buf_len);
-            buf.extend(repeat(' ').take(pad_len));
+            buf.extend(std::iter::repeat_n(' ', pad_len));
 
             if buf_len > max_span {
                 self.max_name_span = buf_len;
@@ -157,7 +157,7 @@ impl TreePainter {
             let max_span = self.max_name_span;
             let buf_len = buf.chars().count();
             let pad_len = TREE_COL_BUF + max_span.saturating_sub(buf_len);
-            buf.extend(repeat(' ').take(pad_len));
+            buf.extend(std::iter::repeat_n(' ', pad_len));
 
             if buf_len > max_span {
                 self.max_name_span = buf_len;
@@ -541,7 +541,7 @@ impl TreeColumnData<&str> {
                 if let Some(rem_width) =
                     column_widths[column].checked_sub(value_width)
                 {
-                    buf.extend(repeat(' ').take(rem_width));
+                    buf.extend(std::iter::repeat_n(' ', rem_width));
                 } else {
                     column_widths[column] = value_width;
                 }
@@ -563,7 +563,7 @@ impl<T> TreeColumnData<T> {
 fn right_pad_buffer(buf: &mut String, max_span: &mut usize) {
     let buf_len = buf.chars().count();
     let pad_len = TREE_COL_BUF + max_span.saturating_sub(buf_len);
-    buf.extend(repeat(' ').take(pad_len));
+    buf.extend(std::iter::repeat_n(' ', pad_len));
 
     if buf_len > *max_span {
         *max_span = buf_len;
diff --git a/src/util/fmt.rs b/src/util/fmt.rs
index 070b9df..d47c72d 100644
--- a/src/util/fmt.rs
+++ b/src/util/fmt.rs
@@ -94,7 +94,7 @@ impl fmt::Display for DisplayThroughput<'_> {
         {
             match f.align() {
                 None | Some(fmt::Alignment::Left) => {
-                    str.extend(std::iter::repeat(f.fill()).take(fill_len));
+                    str.extend(std::iter::repeat_n(f.fill(), fill_len));
                 }
                 _ => return Err(fmt::Error),
             }
diff --git a/src/util/mod.rs b/src/util/mod.rs
index 8746781..fa0465b 100644
--- a/src/util/mod.rs
+++ b/src/util/mod.rs
@@ -85,7 +85,7 @@ pub(crate) fn slice_middle<T>(slice: &[T]) -> &[T] {
 
     if len == 0 {
         slice
-    } else if len % 2 == 0 {
+    } else if len.is_multiple_of(2) {
         &slice[(len / 2) - 1..][..2]
     } else {
         &slice[len / 2..][..1]