diff --git a/Cargo.lock b/Cargo.lock
index c9001d95..26ffcff7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1407,9 +1407,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
 
 [[package]]
 name = "libloading"
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index 279fdcf8..66ba000b 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -68,7 +68,7 @@ grep-searcher = "0.1.11"
 
 [target.'cfg(not(windows))'.dependencies]  # https://github.com/vorner/signal-hook/issues/100
 signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }
-libc = "0.2.132"
+libc = "0.2.140"
 
 [build-dependencies]
 helix-loader = { version = "0.6", path = "../helix-loader" }