diff --git a/Cargo.lock b/Cargo.lock
index fb4759638..216619eb2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1134,9 +1134,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memmap2"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a79b39c93a7a5a27eeaf9a23b5ff43f1b9e0ad6b1cdd441140ae53c35613fc7"
+checksum = "8e2e4455be2010e8c5e77f0d10234b30f3a636a5305725609b5a71ad00d22577"
 dependencies = [
  "libc",
 ]