diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index ef3f914ae..a4b287250 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -14,7 +14,7 @@ palette_math = {path = "../palette_math", default-features = false, features = [
 anyhow = "1.0.86"
 proc-macro2 = "1.0.86"
 quote = "1.0.37"
-phf = "0.12.1"
-phf_codegen = "0.12.1"
+phf = "0.13.1"
+phf_codegen = "0.13.1"
 
 
diff --git a/palette/Cargo.toml b/palette/Cargo.toml
index 54f2515d0..64cc120f0 100644
--- a/palette/Cargo.toml
+++ b/palette/Cargo.toml
@@ -49,7 +49,7 @@ approx = { version = "0.5.0", default-features = false, optional = true }
 libm = { version = "0.2.1", default-features = false, optional = true }
 
 [dependencies.phf]
-version = "0.12.1"
+version = "0.13.1"
 optional = true
 default-features = false
 
diff --git a/palette/src/hues.rs b/palette/src/hues.rs
index df98ccc09..3a76fe530 100644
--- a/palette/src/hues.rs
+++ b/palette/src/hues.rs
@@ -916,7 +916,7 @@ mod test {
                 let hue = OklabHue::from_degrees(degree);
                 let (a, b) = hue.into_cartesian();
                 let roundtrip_hue = OklabHue::from_cartesian(a * 10000.0, b * 10000.0);
-                assert_abs_diff_eq!(roundtrip_hue, hue, epsilon = 0.0000000000001);
+                assert_abs_diff_eq!(roundtrip_hue, hue, epsilon = 0.000000000001);
             }
         }