diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9d068a6..3a1f76d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,39 +6,35 @@ jobs:
   check:
     name: Check
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        toolchain: [stable, beta, nightly]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - run: rustup update ${{ matrix.toolchain }}
-      - run: rustup default ${{ matrix.toolchain }}
-      - run: cargo check --all
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - run: rustup update stable
+      - run: rustup default stable
+      - run: cargo check --all-targets
 
   test:
     name: Test Suite
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        toolchain: [stable, beta, nightly]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - run: rustup update ${{ matrix.toolchain }}
-      - run: rustup default ${{ matrix.toolchain }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - run: rustup update stable
+      - run: rustup default stable
       - run: cargo test --all
 
   lints:
     name: Lints
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        toolchain: [stable]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-      - run: rustup update ${{ matrix.toolchain }}
-      - run: rustup default ${{ matrix.toolchain }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - run: rustup update stable
+      - run: rustup default stable
+      - run: rustup component add rustfmt clippy
       - run: cargo fmt --all -- --check
-      - run: cargo clippy --all -- -D warnings
+      - run: cargo clippy --all-targets -- -D warnings
+      - name: Doc
+        env:
+          RUSTDOCFLAGS: -D warnings
+        run: cargo doc --no-deps
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 93dbb7d..4cf9391 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -1,19 +1,15 @@
 name: GitHub Pages Deploy
 
-# Controls when the workflow will run
 on:
   push:
-    branches: [ "master" ]
-
-  # Allows you to run this workflow manually from the Actions tab
+    branches: [main]
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - run: rustup update stable
       - run: rustup target add wasm32-unknown-unknown
       - run: cargo build --release --target wasm32-unknown-unknown -p efmt_wasm
diff --git a/Cargo.lock b/Cargo.lock
index c32469b..97c4b53 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,21 +4,20 @@ version = 4
 
 [[package]]
 name = "aho-corasick"
-version = "1.1.4"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
+checksum = "c982642fa9e8606056828ee9a8505737230110bb1099153c79efe865c59d12ba"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "bstr"
-version = "1.13.0"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f7dc094d718f2e1c1559ad110e27eeaae14a5465d3d56dd6dbd793079fbd530"
+checksum = "6bb31b46c14244e20ee9984b11bf5c992b91fb6939fea616e3512c8baecdbe5f"
 dependencies = [
  "memchr",
- "regex-automata",
  "serde_core",
 ]
 
@@ -28,19 +27,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.61.2",
-]
-
-[[package]]
-name = "console"
-version = "0.15.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "054ccb5b10f9f2cbf51eb355ca1d05c2d279ce1804688d0db74b4733a5aeafd8"
-dependencies = [
- "encode_unicode",
- "libc",
- "once_cell",
- "windows-sys 0.59.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -80,7 +67,6 @@ dependencies = [
  "noargs",
  "regex",
  "similar",
- "similar-asserts",
  "unicode-width",
 ]
 
@@ -92,7 +78,6 @@ dependencies = [
  "erl_tokenize",
  "indoc",
  "log",
- "similar-asserts",
 ]
 
 [[package]]
@@ -111,23 +96,17 @@ dependencies = [
  "efmt_core",
 ]
 
-[[package]]
-name = "encode_unicode"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34aa73646ffb006b8f5147f3dc182bd4bcb190227ce861fc4a4844bf8e3cb2c0"
-
 [[package]]
 name = "erl_tokenize"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "873ff4b63b4203047056e62d489c303af6337ac126f91a151d63559cf8189214"
+checksum = "d5ca90410ef4178323d1e8e4f743b94962d7964d7f410e03a8ca97ab318be798"
 
 [[package]]
 name = "globset"
-version = "0.4.19"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e47d37d2ae4464254884b60ab7071be2b876a9c35b696bd018ddcc76847309cd"
+checksum = "07c34a9410465b45bd9787443bc7370f37735bad04b0f0cd57ff1a3186c98988"
 dependencies = [
  "aho-corasick",
  "bstr",
@@ -138,9 +117,9 @@ dependencies = [
 
 [[package]]
 name = "ignore"
-version = "0.4.31"
+version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f8a7b8211e695a1d0cd91cace480d4d0bd57667ab10277cc412c5f7f4884f83"
+checksum = "00b69833ed729dc5aa7d19541d96d6cf8e9137194207a04916d658e43168402f"
 dependencies = [
  "crossbeam-deque",
  "globset",
@@ -161,17 +140,11 @@ dependencies = [
  "rustversion",
 ]
 
-[[package]]
-name = "libc"
-version = "0.2.189"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
-
 [[package]]
 name = "log"
-version = "0.4.33"
+version = "0.4.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad"
+checksum = "f9f8bd3e56ce4dfc153cf470fffbfa98c7620958b312ca5c3a4b8d5181fd13c6"
 
 [[package]]
 name = "memchr"
@@ -185,12 +158,6 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af5b13e43c3b5f1b4f2db60f5f03c803a04f5dd0a6fd44c83b5517ca1ec42ac4"
 
-[[package]]
-name = "once_cell"
-version = "1.21.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.107"
@@ -223,9 +190,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.16"
+version = "0.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fcfdb36bda0c880c5931cdc7a2bcdc8ba4556847b9d912bca70bc94708711ad"
+checksum = "ad8553b9b26413251cbf30e620595c7a41b3887f03da04579c0e6b0d6a06b4b2"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -270,7 +237,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.3",
+ "syn 3.0.4",
 ]
 
 [[package]]
@@ -278,20 +245,6 @@ name = "similar"
 version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbbb5d9659141646ae647b42fe094daf6c6192d1620870b449d9557f748b2daa"
-dependencies = [
- "bstr",
- "unicode-segmentation",
-]
-
-[[package]]
-name = "similar-asserts"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b441962c817e33508847a22bd82f03a30cff43642dc2fae8b050566121eb9a"
-dependencies = [
- "console",
- "similar",
-]
 
 [[package]]
 name = "syn"
@@ -306,9 +259,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.3"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
+checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -321,12 +274,6 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.13.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6f5d3c3b1bf09027a88a6bc961fc00497d651009560b5463668dc81b0fa87a8"
-
 [[package]]
 name = "unicode-width"
 version = "0.2.2"
@@ -349,7 +296,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys",
 ]
 
 [[package]]
@@ -358,15 +305,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
-[[package]]
-name = "windows-sys"
-version = "0.59.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
-dependencies = [
- "windows-targets",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.61.2"
@@ -375,67 +313,3 @@ checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
 dependencies = [
  "windows-link",
 ]
-
-[[package]]
-name = "windows-targets"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
-dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
-
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
-
-[[package]]
-name = "windows_i686_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
-
-[[package]]
-name = "windows_i686_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
-
-[[package]]
-name = "windows_i686_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
-
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
-
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
-
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
diff --git a/Cargo.toml b/Cargo.toml
index 229bc42..014b025 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "efmt"
 version = "0.21.0"
-authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 edition = "2024"
 license = "MIT OR Apache-2.0"
 description = "Erlang code formatter"
@@ -21,8 +20,5 @@ ignore = "0.4.22"
 noargs = "0.4.1"
 unicode-width = "0.2.2"
 
-[dev-dependencies]
-similar-asserts = "1"
-
 [workspace]
 members = ["efmt_core", "efmt_derive", "efmt_wasm"]
diff --git a/efmt_core/Cargo.toml b/efmt_core/Cargo.toml
index e44fd8a..3a6ede9 100644
--- a/efmt_core/Cargo.toml
+++ b/efmt_core/Cargo.toml
@@ -2,7 +2,6 @@
 name = "efmt_core"
 version = "0.7.0"
 edition = "2024"
-authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 license = "MIT OR Apache-2.0"
 description = "Core library for efmt crate"
 homepage = "https://github.com/sile/efmt"
@@ -16,4 +15,3 @@ log = "0.4"
 
 [dev-dependencies]
 indoc = "2"
-similar-asserts = "1"
diff --git a/efmt_core/src/lib.rs b/efmt_core/src/lib.rs
index 55f60b5..a6acbd0 100644
--- a/efmt_core/src/lib.rs
+++ b/efmt_core/src/lib.rs
@@ -22,11 +22,11 @@ macro_rules! assert_format {
     ($text:expr, $item_type:ty) => {{
         let formatted = $crate::format_text::<$item_type>(&$text).unwrap();
         let expected = $text;
-        similar_asserts::assert_eq!(formatted, expected);
+        assert_eq!(formatted, expected);
     }};
 
     ($text:expr, $expected:expr, $item_type:ty) => {{
         let formatted = $crate::format_text::<$item_type>(&$text).unwrap();
-        similar_asserts::assert_eq!(formatted, $expected);
+        assert_eq!(formatted, $expected);
     }};
 }
diff --git a/efmt_core/src/parse.rs b/efmt_core/src/parse.rs
index ec31e69..e24bccf 100644
--- a/efmt_core/src/parse.rs
+++ b/efmt_core/src/parse.rs
@@ -206,7 +206,7 @@ mod tests {
             [a, b | #c].
         "};
         let err = crate::format_text::<Module>(text).err().unwrap();
-        similar_asserts::assert_eq!(
+        assert_eq!(
             err.to_string(),
             indoc::indoc! {"
         Parse failed:
@@ -224,7 +224,7 @@ mod tests {
             ?ID([a, b | #c]).
         "};
         let err = crate::format_text::<Module>(text).err().unwrap();
-        similar_asserts::assert_eq!(
+        assert_eq!(
             err.to_string(),
             indoc::indoc! {"
         Parse failed:
@@ -241,7 +241,7 @@ mod tests {
             hello
         "};
         let err = crate::format_text::<Module>(text).err().unwrap();
-        similar_asserts::assert_eq!(
+        assert_eq!(
             err.to_string(),
             indoc::indoc! {"
         Parse failed:
@@ -258,7 +258,7 @@ mod tests {
             "hello
         "#};
         let err = crate::format_text::<Module>(text).err().unwrap();
-        similar_asserts::assert_eq!(
+        assert_eq!(
             err.to_string(),
             indoc::indoc! {r#"
         Tokenize failed:
diff --git a/tests/lib.rs b/tests/lib.rs
index 6a88300..53e32e4 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -15,7 +15,7 @@ fn format_works() -> crate::Result<()> {
         }
         let formatted = efmt::Options::new().format_file::<ModuleOrConfig, _>(&path)?;
         let expected = std::fs::read_to_string(&path)?;
-        similar_asserts::assert_eq!(formatted, expected, "target={:?}", path);
+        assert_eq!(formatted, expected, "target={:?}", path);
     }
     Ok(())
 }