diff --git a/Cargo.lock b/Cargo.lock
index a459df0e..f7c73fc5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -560,9 +560,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.182"
+version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "libloading"
diff --git a/supply-chain/imports.lock b/supply-chain/imports.lock
index a437827c..ba674ced 100644
--- a/supply-chain/imports.lock
+++ b/supply-chain/imports.lock
@@ -28,8 +28,8 @@ user-login = "taiki-e"
 user-name = "Taiki Endo"
 
 [[publisher.libc]]
-version = "0.2.182"
-when = "2026-02-13"
+version = "0.2.186"
+when = "2026-04-23"
 user-id = 55123
 user-login = "rust-lang-owner"