diff --git a/Cargo.lock b/Cargo.lock
index 3bf24bd9622..b2f2193ecd2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1360,7 +1360,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "117725a109d387c937a1533ce01b450cbde6b88abceea8473c4d7a85853cda3c"
 dependencies = [
  "lazy_static",
- "windows-sys 0.48.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5102,9 +5102,9 @@ checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
 
 [[package]]
 name = "memmap2"
-version = "0.9.5"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f"
+checksum = "483758ad303d734cec05e5c12b41d7e93e6a6390c5e9dae6bdeb7c1259012d28"
 dependencies = [
  "libc",
 ]
@@ -9748,7 +9748,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 4cf809c447d..245e202bf28 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -94,7 +94,7 @@ mach2 = "0.4"
 malloc_size_of = { package = "servo_malloc_size_of", path = "components/malloc_size_of" }
 malloc_size_of_derive = "0.1"
 markup5ever = "0.35"
-memmap2 = "0.9.5"
+memmap2 = "0.9.7"
 mime = "0.3.13"
 mime_guess = "2.0.5"
 mozangle = "0.5.3"