diff --git a/src/lib.rs b/src/lib.rs
index 5e566d589..0115aaa0a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,8 +126,8 @@ pub use xor_name;
 
 /// The minimum size (before compression) of data to be self-encrypted, defined as 3B.
 pub const MIN_ENCRYPTABLE_BYTES: usize = 3 * MIN_CHUNK_SIZE;
-/// The maximum size (before compression) of an individual chunk of a file, defined as 500kiB.
-pub const MAX_CHUNK_SIZE: usize = 512 * 1024;
+/// The maximum size (before compression) of an individual chunk of a file, defined as 1024kiB.
+pub const MAX_CHUNK_SIZE: usize = 1024 * 1024;
 /// The minimum size (before compression) of an individual chunk of a file, defined as 1B.
 pub const MIN_CHUNK_SIZE: usize = 1;
 /// Controls the compression-speed vs compression-density tradeoffs.  The higher the quality, the