diff --git a/Cargo.lock b/Cargo.lock
index 5c5002980..317fe6940 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3092,15 +3092,6 @@ version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
 
-[[package]]
-name = "memmap2"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "723e3ebdcdc5c023db1df315364573789f8857c11b631a2fdfad7c00f5c046b4"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "memmap2"
 version = "0.8.0"
@@ -6383,7 +6374,7 @@ dependencies = [
  "lazy_static",
  "lfucache",
  "log",
- "memmap2 0.2.3",
+ "memmap2 0.9.4",
  "metrics",
  "objc",
  "ordered-float",
diff --git a/wezterm-font/Cargo.toml b/wezterm-font/Cargo.toml
index 99ea229b6..834868322 100644
--- a/wezterm-font/Cargo.toml
+++ b/wezterm-font/Cargo.toml
@@ -27,7 +27,7 @@ image = "0.25"
 lazy_static = "1.4"
 lfucache = { path = "../lfucache" }
 log = "0.4"
-memmap2 = "0.2"
+memmap2 = "0.9"
 metrics = "0.22"
 ordered-float = "4.1"
 rangeset = { path = "../rangeset" }