diff --git a/deny.toml b/deny.toml
index 951f2a2fab..fb0a8d4b0b 100644
--- a/deny.toml
+++ b/deny.toml
@@ -19,16 +19,9 @@ allow = [
     "BSD-2-Clause",
     "BSD-3-Clause",
     "MIT",
-    "MIT-0",
-    "MPL-2.0",
-    "Unicode-DFS-2016",
+    "Unicode-3.0",
 ]
 
-[[licenses.exceptions]]
-allow = ["WTFPL"]
-name = "pcx"
-version = "*"
-
 [advisories]
 yanked = "deny"
 ignore = []
@@ -41,5 +34,4 @@ deny = []
 skip = [
     { name = "bitflags" },   # Some deps depend on 1.3.2 while others on 2.6.0
     { name = "hashbrown" },  # Some deps depend on 0.13.2 while others on 0.14.5
-    { name = "miniz_oxide" } # Some deps depend on 0.7.4 while others on 0.8.0
 ]
diff --git a/src/buffer.rs b/src/buffer.rs
index 6a87ae9313..269d446fc8 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -801,7 +801,7 @@ where
     /// the bounds will not overflow.
     fn check_image_fits(width: u32, height: u32, len: usize) -> bool {
         let checked_len = Self::image_buffer_len(width, height);
-        checked_len.map_or(false, |min_len| min_len <= len)
+        checked_len.is_some_and(|min_len| min_len <= len)
     }
 
     fn image_buffer_len(width: u32, height: u32) -> Option<usize> {
diff --git a/src/codecs/avif/yuv.rs b/src/codecs/avif/yuv.rs
index 29167342a4..e0c70174e6 100644
--- a/src/codecs/avif/yuv.rs
+++ b/src/codecs/avif/yuv.rs
@@ -528,7 +528,7 @@ fn process_halved_chroma_row<
     // preventing accidental use of invalid values from the trailing region.
 
     let y_plane = &image.y_plane[0..image.width];
-    let chroma_size = image.width.div_ceil(2);
+    let chroma_size = (image.width + 1) / 2;
     let u_plane = &image.u_plane[0..chroma_size];
     let v_plane = &image.v_plane[0..chroma_size];
     let rgba = &mut rgba[0..image.width * CHANNELS];
diff --git a/src/codecs/pnm/decoder.rs b/src/codecs/pnm/decoder.rs
index 01c2c54b44..7b22f9c003 100644
--- a/src/codecs/pnm/decoder.rs
+++ b/src/codecs/pnm/decoder.rs
@@ -692,8 +692,8 @@ where
 
     let token = reader
         .bytes()
-        .skip_while(|v| v.as_ref().ok().map_or(false, is_separator))
-        .take_while(|v| v.as_ref().ok().map_or(false, |c| !is_separator(c)))
+        .skip_while(|v| v.as_ref().ok().is_some_and(is_separator))
+        .take_while(|v| v.as_ref().ok().is_some_and(|c| !is_separator(c)))
         .collect::<Result<Vec<u8>, _>>()?;
 
     if !token.is_ascii() {
diff --git a/src/color.rs b/src/color.rs
index b3745d9b83..a83ca8c6b4 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -441,6 +441,7 @@ impl<T: Primitive> FromPrimitive<T> for T {
 // 1.0 (white) was picked as firefox and chrome choose to map NaN to that.
 #[inline]
 fn normalize_float(float: f32, max: f32) -> f32 {
+    #[allow(clippy::neg_cmp_op_on_partial_ord)]
     let clamped = if !(float < 1.0) { 1.0 } else { float.max(0.0) };
     (clamped * max).round()
 }
diff --git a/src/flat.rs b/src/flat.rs
index 08f82475b9..a67dc9ab2f 100644
--- a/src/flat.rs
+++ b/src/flat.rs
@@ -282,7 +282,7 @@ impl SampleLayout {
     /// Check if a buffer of length `len` is large enough.
     #[must_use]
     pub fn fits(&self, len: usize) -> bool {
-        self.min_length().map_or(false, |min| len >= min)
+        self.min_length().is_some_and(|min| len >= min)
     }
 
     /// The extents of this array, in order of increasing strides.
@@ -747,10 +747,7 @@ impl<Buffer> FlatSamples<Buffer> {
     where
         Buffer: AsRef<[T]>,
     {
-        let min_length = match self.min_length() {
-            None => return None,
-            Some(index) => index,
-        };
+        let min_length = self.min_length()?;
 
         let slice = self.samples.as_ref();
         if slice.len() < min_length {
@@ -765,10 +762,7 @@ impl<Buffer> FlatSamples<Buffer> {
     where
         Buffer: AsMut<[T]>,
     {
-        let min_length = match self.min_length() {
-            None => return None,
-            Some(index) => index,
-        };
+        let min_length = self.min_length()?;
 
         let slice = self.samples.as_mut();
         if slice.len() < min_length {
diff --git a/src/imageops/sample.rs b/src/imageops/sample.rs
index 1f6ce53a77..fa8043a20e 100644
--- a/src/imageops/sample.rs
+++ b/src/imageops/sample.rs
@@ -870,6 +870,7 @@ where
     let max = S::DEFAULT_MAX_VALUE;
     let max: f32 = NumCast::from(max).unwrap();
 
+    #[allow(clippy::redundant_guards)]
     let sum = match kernel.iter().fold(0.0, |s, &item| s + item) {
         x if x == 0.0 => 1.0,
         sum => sum,