diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 35d4a6e99..381bec37f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,77 +16,50 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        rust: [stable, 1.59.0]
+        rust: [stable, 1.59]
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v4
 
     - name: Install ${{ matrix.rust }}
-      uses: actions-rs/toolchain@v1
-      with:
-        toolchain: ${{ matrix.rust }}
-        override: true
-
-    - name: check
-      uses: actions-rs/cargo@v1
-      with:
-        command: check
-        args: --all --bins --examples
-
-    - name: tests
-      uses: actions-rs/cargo@v1
-      with:
-        command: test
-        args: --all
+      run: rustup install ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
+
+    - name: Downgrade dependencies for MSRV
+      if: ${{ matrix.rust == '1.59' }}
+      run: |
+        cargo update -p byteorder --precise 1.4.3
+        cargo update -p jobserver --precise 0.1.26
+        cargo update -p base64ct --precise 1.5.3
+
+    - run: cargo check --all --bins --examples
+    - run: cargo test --all
 
   clippy:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-          components: clippy
-
-      - name: clippy
-        uses: actions-rs/cargo@v1
-        with:
-          command: clippy
-          args: --all-targets --all-features -- -D warnings
+      - run: cargo clippy --all-targets --all-features
 
   check_fmt_and_docs:
     name: Checking fmt and docs
     runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@master
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: nightly
-        components: rustfmt, clippy
-        override: true
 
-    - name: fmt
-      run: cargo fmt --all -- --check
+    steps:
+    - uses: actions/checkout@v4
 
-    - name: Docs
-      run: cargo doc
+    - run: cargo fmt --all -- --check
+    - run: cargo doc
 
   fuzz:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: nightly
-          override: true
-
+      - uses: actions/checkout@v4
+      - run: rustup install nightly --profile minimal && rustup default nightly
       - run: cargo install cargo-fuzz
+
       - name: compile fuzz
         run: |
           cargo fuzz build fuzz_read
diff --git a/src/cp437.rs b/src/cp437.rs
index 4dba9af12..4e31dbfcd 100644
--- a/src/cp437.rs
+++ b/src/cp437.rs
@@ -189,7 +189,7 @@ mod test {
     #[test]
     fn example_slice() {
         use super::FromCp437;
-        let data = b"Cura\x87ao";
+        let data = std::convert::identity(b"Cura\x87ao"); // identity to avoid a lint from rustc
         assert!(::std::str::from_utf8(data).is_err());
         assert_eq!(data.from_cp437(), "Curaçao");
     }
diff --git a/src/read.rs b/src/read.rs
index b702b4f21..aa39ad153 100644
--- a/src/read.rs
+++ b/src/read.rs
@@ -935,8 +935,7 @@ impl<'a> ZipFile<'a> {
     pub fn is_dir(&self) -> bool {
         self.name()
             .chars()
-            .rev()
-            .next()
+            .next_back()
             .map_or(false, |c| c == '/' || c == '\\')
     }
 
@@ -991,7 +990,7 @@ impl<'a> Drop for ZipFile<'a> {
             // Get the inner `Take` reader so all decryption, decompression and CRC calculation is skipped.
             let mut reader: std::io::Take<&mut dyn std::io::Read> = match &mut self.reader {
                 ZipFileReader::NoReader => {
-                    let innerreader = ::std::mem::replace(&mut self.crypto_reader, None);
+                    let innerreader = self.crypto_reader.take();
                     innerreader.expect("Invalid reader state").into_inner()
                 }
                 reader => {
@@ -1000,6 +999,7 @@ impl<'a> Drop for ZipFile<'a> {
                 }
             };
 
+            #[allow(clippy::unused_io_amount)]
             loop {
                 match reader.read(&mut buffer) {
                     Ok(0) => break,
diff --git a/src/read/stream.rs b/src/read/stream.rs
index 5a01b23f9..dc967ee89 100644
--- a/src/read/stream.rs
+++ b/src/read/stream.rs
@@ -184,8 +184,7 @@ impl ZipStreamFileMetadata {
     pub fn is_dir(&self) -> bool {
         self.name()
             .chars()
-            .rev()
-            .next()
+            .next_back()
             .map_or(false, |c| c == '/' || c == '\\')
     }
 
diff --git a/src/unstable.rs b/src/unstable.rs
index f8b46a970..cc03ff9a0 100644
--- a/src/unstable.rs
+++ b/src/unstable.rs
@@ -8,7 +8,7 @@ pub mod write {
     /// Unstable methods for [`FileOptions`].
     pub trait FileOptionsExt {
         /// Write the file with the given password using the deprecated ZipCrypto algorithm.
-        /// 
+        ///
         /// This is not recommended for new archives, as ZipCrypto is not secure.
         fn with_deprecated_encryption(self, password: &[u8]) -> Self;
     }
@@ -17,4 +17,4 @@ pub mod write {
             self.with_deprecated_encryption(password)
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/write.rs b/src/write.rs
index 4cdc031b0..63a4b3792 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -7,7 +7,6 @@ use crate::spec;
 use crate::types::{AtomicU64, DateTime, System, ZipFileData, DEFAULT_VERSION};
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
 use crc32fast::Hasher;
-use std::convert::TryInto;
 use std::default::Default;
 use std::io;
 use std::io::prelude::*;
@@ -410,8 +409,12 @@ impl<W: Write + io::Seek> ZipWriter<W> {
             self.files.push(file);
         }
         if let Some(keys) = options.encrypt_with {
-            let mut zipwriter = crate::zipcrypto::ZipCryptoWriter { writer: core::mem::replace(&mut self.inner, GenericZipWriter::Closed).unwrap(), buffer: vec![], keys };
-            let mut crypto_header = [0u8; 12];
+            let mut zipwriter = crate::zipcrypto::ZipCryptoWriter {
+                writer: core::mem::replace(&mut self.inner, GenericZipWriter::Closed).unwrap(),
+                buffer: vec![],
+                keys,
+            };
+            let crypto_header = [0u8; 12];
 
             zipwriter.write_all(&crypto_header)?;
             self.inner = GenericZipWriter::Storer(MaybeEncrypted::Encrypted(zipwriter));
@@ -428,10 +431,11 @@ impl<W: Write + io::Seek> ZipWriter<W> {
         match core::mem::replace(&mut self.inner, GenericZipWriter::Closed) {
             GenericZipWriter::Storer(MaybeEncrypted::Encrypted(writer)) => {
                 let crc32 = self.stats.hasher.clone().finalize();
-                self.inner = GenericZipWriter::Storer(MaybeEncrypted::Unencrypted(writer.finish(crc32)?))
+                self.inner =
+                    GenericZipWriter::Storer(MaybeEncrypted::Unencrypted(writer.finish(crc32)?))
             }
             GenericZipWriter::Storer(w) => self.inner = GenericZipWriter::Storer(w),
-            _ => unreachable!()
+            _ => unreachable!(),
         }
         let writer = self.inner.get_plain();
 
diff --git a/tests/zip_crypto.rs b/tests/zip_crypto.rs
index d831c1e62..a9b96719c 100644
--- a/tests/zip_crypto.rs
+++ b/tests/zip_crypto.rs
@@ -22,11 +22,16 @@ use std::io::Read;
 
 #[test]
 fn encrypting_file() {
-    use zip::unstable::write::FileOptionsExt;
     use std::io::{Read, Write};
+    use zip::unstable::write::FileOptionsExt;
     let mut buf = vec![0; 2048];
     let mut archive = zip::write::ZipWriter::new(std::io::Cursor::new(&mut buf));
-    archive.start_file("name", zip::write::FileOptions::default().with_deprecated_encryption(b"password")).unwrap();
+    archive
+        .start_file(
+            "name",
+            zip::write::FileOptions::default().with_deprecated_encryption(b"password"),
+        )
+        .unwrap();
     archive.write_all(b"test").unwrap();
     archive.finish().unwrap();
     drop(archive);
@@ -35,7 +40,6 @@ fn encrypting_file() {
     let mut buf = Vec::new();
     file.read_to_end(&mut buf).unwrap();
     assert_eq!(buf, b"test");
-
 }
 #[test]
 fn encrypted_file() {