diff --git a/Cargo.lock b/Cargo.lock
index e738ac0..6280ce5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -603,9 +603,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.186"
+version = "0.2.189"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
+checksum = "3eaf3ede3fee6db1a4c2ee091bf8a8b4dccdc6d17f656fb07896ee72867612f2"
 
 [[package]]
 name = "linux-raw-sys"
diff --git a/Cargo.toml b/Cargo.toml
index 9fd6bd1..cc00330 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,7 +66,7 @@ fredshell-core = { version = "=0.1.0", path = "crates/fredshell-core" }
 fredshell-spec-runner = { version = "=0.1.0", path = "crates/fredshell-spec-runner" }
 
 # Terminal / OS
-libc = "=0.2.186"
+libc = "=0.2.189"
 
 # xtask helpers
 base64 = "=0.22.1"