diff --git a/Cargo.lock b/Cargo.lock
index fd2f2350c18..980b362c050 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -680,9 +680,9 @@ dependencies = [
 
 [[package]]
 name = "compiler_builtins"
-version = "0.1.65"
+version = "0.1.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed37ea958309f2451e1cea7fd2b37aa56b1894c9a9fbdbbe6a194f7b78f0362d"
+checksum = "191424db7756bbed2c4996959a0fbda94388abcf4f5a2728a8af17481ad9c4f7"
 dependencies = [
  "cc",
  "rustc-std-workspace-core",
diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index b71faf76f69..b7a45121525 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -16,7 +16,7 @@ panic_unwind = { path = "../panic_unwind", optional = true }
 panic_abort = { path = "../panic_abort" }
 core = { path = "../core" }
 libc = { version = "0.2.108", default-features = false, features = ['rustc-dep-of-std'] }
-compiler_builtins = { version = "0.1.65" }
+compiler_builtins = { version = "0.1.66" }
 profiler_builtins = { path = "../profiler_builtins", optional = true }
 unwind = { path = "../unwind" }
 hashbrown = { version = "0.11", default-features = false, features = ['rustc-dep-of-std'] }