diff --git a/Cargo.lock b/Cargo.lock
index aa9cfef09..00bede9a3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1404,9 +1404,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memmap2"
-version = "0.5.8"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b182332558b18d807c4ce1ca8ca983b34c3ee32765e47b3f0f69b90355cc1dc"
+checksum = "7f9ff02d2efdc645fca1ee55f45545b996e7da776b5b60c4e170334457551693"
 dependencies = [
  "libc",
 ]
diff --git a/src/uu/tac/Cargo.toml b/src/uu/tac/Cargo.toml
index 50d83a67c..0d9056915 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 = "0.5"
+memmap2 = "0.6"
 regex = { workspace=true }
 clap = { workspace=true }
 uucore = { workspace=true }