diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index e0949ea3ec..815318efbc 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -780,9 +780,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "libc"
-version = "0.2.183"
+version = "0.2.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b646652bf6661599e1da8901b3b9522896f01e736bad5f723fe7a3a27f899d"
+checksum = "48f5d2a454e16a5ea0f4ced81bd44e4cfc7bd3a507b61887c99fd3538b28e4af"
 
 [[package]]
 name = "linux-raw-sys"
diff --git a/rust/echo/Cargo.toml b/rust/echo/Cargo.toml
index dfba98a674..191af87f13 100644
--- a/rust/echo/Cargo.toml
+++ b/rust/echo/Cargo.toml
@@ -41,7 +41,7 @@ once_cell = { version = "^1.21.4", optional = true }
 toolshed-test = { path = "../test", optional = true }
 
 [dev-dependencies]
-libc = "^0.2.183"
+libc = "^0.2.184"
 mio = "^1.2.0"
 mockall = "^0.14.0"
 scopeguard = "^1.2.0"
diff --git a/rust/runner/Cargo.toml b/rust/runner/Cargo.toml
index e1067cc635..2cf800cd61 100644
--- a/rust/runner/Cargo.toml
+++ b/rust/runner/Cargo.toml
@@ -24,7 +24,7 @@ toolshed-test = { path = "../test", optional = true }
 
 [dev-dependencies]
 assert_matches = "^1.5"
-libc = "^0.2.183"
+libc = "^0.2.184"
 mockall = { version = "^0.14.0" }
 mockall_double = "^0.3"
 scopeguard = "^1.2"