diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 746a860..1c60f2f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ env:
 
 jobs:
   msrv:
-    name: Rust 1.85 MSRV
+    name: Rust 1.88 MSRV
     runs-on: ubuntu-24.04
 
     steps:
@@ -26,13 +26,13 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust
-        run: rustup toolchain install 1.85.0 --profile minimal --no-self-update
+        run: rustup toolchain install 1.88.0 --profile minimal --no-self-update
 
       - name: Cache Rust artifacts
         uses: Swatinem/rust-cache@v2
 
       - name: Check all targets and features
-        run: cargo +1.85.0 check --workspace --all-targets --all-features --locked
+        run: cargo +1.88.0 check --workspace --all-targets --all-features --locked
 
   checks:
     runs-on: ubuntu-24.04
@@ -144,7 +144,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust stable for cargo-fuzz
-        run: rustup toolchain install 1.85.0 --profile minimal --no-self-update
+        run: rustup toolchain install 1.88.0 --profile minimal --no-self-update
 
       - name: Install Rust nightly
         run: rustup toolchain install nightly-2026-06-02 --profile minimal --component clippy --no-self-update
@@ -153,12 +153,12 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cargo/bin/cargo-fuzz
-          key: cargo-fuzz-bin-v2-0.13.1-rust-1.85.0
+          key: cargo-fuzz-bin-v2-0.13.1-rust-1.88.0
 
       - name: Install cargo-fuzz
         run: |
           if ! command -v cargo-fuzz >/dev/null 2>&1; then
-            rustup run 1.85.0 cargo install cargo-fuzz --version 0.13.1 --locked
+            rustup run 1.88.0 cargo install cargo-fuzz --version 0.13.1 --locked
           fi
 
       - name: Cache Rust artifacts
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ee50fd..442f895 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- upgrade `weezl` to 0.2.1 and raise the minimum supported Rust version to 1.88
+
 ## 0.8.1 - 2026-08-11
 
 - support COG writing on `wasm32-unknown-unknown` by staging blocks and raw tiles in memory while retaining temporary-file spooling on native targets
diff --git a/Cargo.lock b/Cargo.lock
index 13fbe4b..3c76c0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1931,9 +1931,9 @@ dependencies = [
 
 [[package]]
 name = "weezl"
-version = "0.1.12"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
+checksum = "d4ca08e5ef825b65b056d9efbd95c8750683f0a6d0466d02e96dc2e4e360f3d2"
 
 [[package]]
 name = "winapi-util"
diff --git a/Cargo.toml b/Cargo.toml
index ec32586..03880aa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ resolver = "2"
 [workspace.package]
 version = "0.8.1"
 edition = "2021"
-rust-version = "1.85"
+rust-version = "1.88"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/roteiro-gis/geotiff-rust"
 homepage = "https://github.com/roteiro-gis/geotiff-rust"
diff --git a/docker/reference.Dockerfile b/docker/reference.Dockerfile
index 053dcb3..37b6917 100644
--- a/docker/reference.Dockerfile
+++ b/docker/reference.Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.85-bookworm
+FROM rust:1.88-bookworm
 
 RUN apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 9b16b59..7988dce 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -535,9 +535,9 @@ dependencies = [
 
 [[package]]
 name = "weezl"
-version = "0.1.12"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
+checksum = "d4ca08e5ef825b65b056d9efbd95c8750683f0a6d0466d02e96dc2e4e360f3d2"
 
 [[package]]
 name = "windows-link"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 80ecad1..0e8e331 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -3,7 +3,7 @@ name = "geotiff-rust-fuzz"
 version = "0.0.0"
 publish = false
 edition = "2021"
-rust-version = "1.85"
+rust-version = "1.88"
 
 [package.metadata]
 cargo-fuzz = true
diff --git a/geotiff-writer/src/cog.rs b/geotiff-writer/src/cog.rs
index a86ba23..ef0145c 100644
--- a/geotiff-writer/src/cog.rs
+++ b/geotiff-writer/src/cog.rs
@@ -1216,7 +1216,9 @@ impl<T: NumericSample, W: Write + Seek> CogTileWriter<T, W> {
                 "write_tile only supports single-band COG output; use write_tile_3d for multi-band tiles".into(),
             ));
         }
-        if x_off % self.tile_width as usize != 0 || y_off % self.tile_height as usize != 0 {
+        if !x_off.is_multiple_of(self.tile_width as usize)
+            || !y_off.is_multiple_of(self.tile_height as usize)
+        {
             return Err(Error::Other(format!(
                 "tile offsets must align to tile boundaries of {}x{}, got ({x_off},{y_off})",
                 self.tile_width, self.tile_height
@@ -1279,7 +1281,9 @@ impl<T: NumericSample, W: Write + Seek> CogTileWriter<T, W> {
         y_off: usize,
         data: &ndarray::ArrayView3<T>,
     ) -> Result<()> {
-        if x_off % self.tile_width as usize != 0 || y_off % self.tile_height as usize != 0 {
+        if !x_off.is_multiple_of(self.tile_width as usize)
+            || !y_off.is_multiple_of(self.tile_height as usize)
+        {
             return Err(Error::Other(format!(
                 "tile offsets must align to tile boundaries of {}x{}, got ({x_off},{y_off})",
                 self.tile_width, self.tile_height
diff --git a/geotiff-writer/src/tile_writer.rs b/geotiff-writer/src/tile_writer.rs
index 9a2e680..80dfec8 100644
--- a/geotiff-writer/src/tile_writer.rs
+++ b/geotiff-writer/src/tile_writer.rs
@@ -87,7 +87,9 @@ impl<T: NumericSample, W: Write + Seek> StreamingTileWriter<T, W> {
                 "write_tile only supports single-band output; use write_tile_3d for multi-band tiles".into(),
             ));
         }
-        if x_off % self.tile_width as usize != 0 || y_off % self.tile_height as usize != 0 {
+        if !x_off.is_multiple_of(self.tile_width as usize)
+            || !y_off.is_multiple_of(self.tile_height as usize)
+        {
             return Err(Error::Other(format!(
                 "tile offsets must align to tile boundaries of {}x{}, got ({x_off},{y_off})",
                 self.tile_width, self.tile_height
@@ -151,7 +153,9 @@ impl<T: NumericSample, W: Write + Seek> StreamingTileWriter<T, W> {
         y_off: usize,
         data: &ndarray::ArrayView3<T>,
     ) -> Result<()> {
-        if x_off % self.tile_width as usize != 0 || y_off % self.tile_height as usize != 0 {
+        if !x_off.is_multiple_of(self.tile_width as usize)
+            || !y_off.is_multiple_of(self.tile_height as usize)
+        {
             return Err(Error::Other(format!(
                 "tile offsets must align to tile boundaries of {}x{}, got ({x_off},{y_off})",
                 self.tile_width, self.tile_height
diff --git a/tiff-core/src/constants.rs b/tiff-core/src/constants.rs
index 4deaa15..54da892 100644
--- a/tiff-core/src/constants.rs
+++ b/tiff-core/src/constants.rs
@@ -295,7 +295,7 @@ impl ColorMap {
     }
 
     pub fn from_tag_values(values: &[u16]) -> Result<Self, String> {
-        if values.len() % 3 != 0 {
+        if !values.len().is_multiple_of(3) {
             return Err(format!(
                 "ColorMap tag length must be divisible by 3, got {} values",
                 values.len()
diff --git a/tiff-reader/Cargo.toml b/tiff-reader/Cargo.toml
index fe6e6c8..2ba17ff 100644
--- a/tiff-reader/Cargo.toml
+++ b/tiff-reader/Cargo.toml
@@ -20,7 +20,7 @@ ndarray = { workspace = true }
 thiserror = { workspace = true }
 memmap2 = { workspace = true }
 flate2 = { version = "1.0.35", default-features = false, features = ["zlib-rs"] }
-weezl = "0.1"
+weezl = "0.2"
 lru = "0.16.3"
 parking_lot = "0.12"
 
diff --git a/tiff-writer/Cargo.toml b/tiff-writer/Cargo.toml
index 9d0c173..1f03680 100644
--- a/tiff-writer/Cargo.toml
+++ b/tiff-writer/Cargo.toml
@@ -18,7 +18,7 @@ lerc-core = { workspace = true }
 lerc-writer = { workspace = true }
 thiserror = { workspace = true }
 flate2 = { version = "1.0.35", default-features = false, features = ["zlib-rs"] }
-weezl = "0.1"
+weezl = "0.2"
 half = { workspace = true, optional = true }
 
 [features]
diff --git a/tiff-writer/src/compress.rs b/tiff-writer/src/compress.rs
index 22cb0d6..42c233e 100644
--- a/tiff-writer/src/compress.rs
+++ b/tiff-writer/src/compress.rs
@@ -165,7 +165,7 @@ fn compress_block_jpeg<T: TiffWriteSample>(
     if pixels_per_row == 0 {
         return Ok(Vec::new());
     }
-    if samples.len() % pixels_per_row != 0 {
+    if !samples.len().is_multiple_of(pixels_per_row) {
         return Err(Error::CompressionFailed {
             index,
             reason: format!(