diff --git a/Cargo.toml b/Cargo.toml
index 45cb9d3..8fb4ad0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT OR Apache-2.0"
 edition = "2018"
 
 [target.'cfg(target_family = "unix")'.dependencies]
-memmap2 = "0.5.10"
+memmap2 = "0.7.1"
 libc = "0.2"
 byteorder = "1.4"
 matches = "0.1"