diff --git a/Cargo.lock b/Cargo.lock
index cb0322a..488e188 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -153,14 +153,20 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.2.9"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
+checksum = "a4735f265ba6a1188052ca32d461028a7d1125868be18e287e756019da7607b5"
 dependencies = [
- "quote",
- "syn",
+ "ctor-proc-macro",
+ "dtor",
 ]
 
+[[package]]
+name = "ctor-proc-macro"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f211af61d8efdd104f96e57adf5e426ba1bc3ed7a4ead616e15e5881fd79c4d"
+
 [[package]]
 name = "derive_arbitrary"
 version = "1.4.1"
@@ -172,6 +178,21 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dtor"
+version = "0.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97cbdf2ad6846025e8e25df05171abfb30e3ababa12ee0a0e44b9bbe570633a8"
+dependencies = [
+ "dtor-proc-macro",
+]
+
+[[package]]
+name = "dtor-proc-macro"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7454e41ff9012c00d53cf7f475c5e3afa3b91b7c90568495495e8d9bf47a1055"
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
diff --git a/Cargo.toml b/Cargo.toml
index 1eeb1bd..0b79040 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ log = {version = "0.4", optional = true}
 memmap2 = {version = "0.9", optional = true}
 
 [dev-dependencies]
-ctor = "0.2"
+ctor = "0.4"
 fastrand = "2.1"
 
 [build-dependencies]
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 7e933f0..9735e14 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -9,7 +9,7 @@ cargo-fuzz = true
 
 [dependencies]
 arbitrary = {version = "1", features = ["derive"]}
-ctor = "0.2"
+ctor = "0.4"
 libfuzzer-sys = "0.4"
 scoped-tls = "1.0"