diff --git a/src/sizes.rs b/src/sizes.rs
index cec8676..dc4e6e2 100644
--- a/src/sizes.rs
+++ b/src/sizes.rs
@@ -806,9 +806,20 @@ mod extra_sizes {
     pub type U4080 = uint!(0 0 0 0 1 1 1 1 1 1 1 1);
 
     // ML-DSA sizes
+    //
+    // Includes the public key, private key, and signature sizes not covered elsewhere, as well as
+    // some intermediate value sizes.
+    //
+    // U3293 is not required for ML-DSA, but was included in an early iteration of this section
+    // (before the `ml_dsa` crate was created).  So it is included here for backward compatibility.
     pub type U2420 = uint!(0 0 1 0 1 1 1 0 1 0 0 1);
     pub type U3293 = uint!(1 0 1 1 1 0 1 1 0 0 1 1);
+    pub type U3309 = uint!(1 0 1 1 0 1 1 1 0 0 1 1);
+    pub type U4480 = uint!(0 0 0 0 0 0 0 1 1 0 0 0 1);
+    pub type U4544 = uint!(0 0 0 0 0 0 1 1 1 0 0 0 1);
     pub type U4595 = uint!(1 1 0 0 1 1 1 1 1 0 0 0 1);
+    pub type U4627 = uint!(1 1 0 0 1 0 0 0 0 1 0 0 1);
+    pub type U4896 = uint!(0 0 0 0 0 1 0 0 1 1 0 0 1);
 
     // SLH-DSA sizes
     pub type U7856 = uint!(0 0 0 0 1 1 0 1 0 1 1 1 1);
@@ -1051,7 +1062,12 @@ mod extra_sizes {
     impl_array_sizes! {
         2420 => U2420,
         3293 => U3293,
+        3309 => U3309,
+        4480 => U4480,
+        4544 => U4544,
         4595 => U4595,
+        4627 => U4627,
+        4896 => U4896,
     }
 
     // SLH-DSA sizes