diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 4eddf7bd7..9a6dab3c9 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -2510,9 +2510,9 @@ dependencies = [
 
 [[package]]
 name = "landlock"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d2ef408b88e913bfc6594f5e693d57676f6463ded7d8bf994175364320c706"
+checksum = "affe8b77dce5b172f8e290bd801b12832a77cd1942d1ea98259916e89d5829d6"
 dependencies = [
  "enumflags2",
  "libc",
@@ -2533,9 +2533,9 @@ checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
 [[package]]
 name = "libc"
-version = "0.2.174"
+version = "0.2.176"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
+checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
 
 [[package]]
 name = "libfuzzer-sys"
diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index 006a218ab..322cfff80 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -58,7 +58,7 @@ wildmatch = "2.4.0"
 
 
 [target.'cfg(target_os = "linux")'.dependencies]
-landlock = "0.4.1"
+landlock = "0.4.3"
 seccompiler = "0.5.0"
 
 # Build OpenSSL from source for musl builds.
diff --git a/codex-rs/linux-sandbox/Cargo.toml b/codex-rs/linux-sandbox/Cargo.toml
index ea7052c40..e938b3d22 100644
--- a/codex-rs/linux-sandbox/Cargo.toml
+++ b/codex-rs/linux-sandbox/Cargo.toml
@@ -19,7 +19,7 @@ anyhow = "1"
 clap = { version = "4", features = ["derive"] }
 codex-common = { path = "../common", features = ["cli"] }
 codex-core = { path = "../core" }
-landlock = "0.4.1"
+landlock = "0.4.3"
 libc = "0.2.172"
 seccompiler = "0.5.0"