diff --git a/src/lib.rs b/src/lib.rs
index 35e9a63..62abed9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,7 @@
 #![cfg_attr(feature = "clippy", plugin(clippy))]
 #![cfg_attr(feature = "clippy", allow(inline_always))]
 #![cfg_attr(feature = "clippy", allow(too_many_arguments))]
+#![cfg_attr(feature = "clippy", allow(unreadable_literal))]
 
 // The compiler provides `test` (on nightly) for benchmarking tools, but
 // it's hidden behind a feature flag. Enable it if we're testing.