diff --git a/Cargo.toml b/Cargo.toml
index 7f576b4..dd16d95 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ edition = "2021"
 byteorder = "1.4"
 crc = "3"
 log = "0.4"
-memmap2 = "0.8.0"
+memmap2 = "0.9.0"
 rand = "0.8.5"
 rand_distr = "0.4.3"
 fs4 = "0.7"