diff --git a/Cargo.lock b/Cargo.lock
index 87b64c4ef1a..10f1bf04096 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1405,9 +1405,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memmap2"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f9ff02d2efdc645fca1ee55f45545b996e7da776b5b60c4e170334457551693"
+checksum = "180d4b35be83d33392d1d1bfbd2ae1eca7ff5de1a94d3fc87faaa99a069e7cbd"
 dependencies = [
  "libc",
 ]
diff --git a/src/uu/tac/Cargo.toml b/src/uu/tac/Cargo.toml
index a1c2e076a9a..4455ebe139a 100644
--- a/src/uu/tac/Cargo.toml
+++ b/src/uu/tac/Cargo.toml
@@ -18,7 +18,7 @@ path = "src/tac.rs"
 
 [dependencies]
 memchr = { workspace = true }
-memmap2 = "0.6"
+memmap2 = "0.7"
 regex = { workspace = true }
 clap = { workspace = true }
 uucore = { workspace = true }