diff --git a/src/uint.rs b/src/uint.rs
index db4bb935..c6c4cc6f 100644
--- a/src/uint.rs
+++ b/src/uint.rs
@@ -323,7 +323,9 @@ impl_uint_aliases! {
     (U4224, 4224, "4224-bit"),
     (U4352, 4352, "4352-bit"),
     (U6144, 6144, "6144-bit"),
-    (U8192, 8192, "8192-bit")
+    (U8192, 8192, "8192-bit"),
+    (U16384, 16384, "16384-bit"),
+    (U32768, 32768, "32768-bit")
 }
 
 #[cfg(target_pointer_width = "32")]
@@ -359,6 +361,7 @@ impl_uint_concat_split_even! {
     U4352,
     U6144,
     U8192,
+    U16384,
 }
 
 // Implement mixed concat and split for combinations not implemented by