diff --git a/Cargo.lock b/Cargo.lock
index fb19dfdb..0a72b266 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1187,14 +1187,20 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.2.9"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
+checksum = "07e9666f4a9a948d4f1dff0c08a4512b0f7c86414b23960104c243c10d79f4c3"
 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 = "curve25519-dalek"
 version = "4.1.3"
@@ -1291,6 +1297,21 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dtor"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "222ef136a1c687d4aa0395c175f2c4586e379924c352fd02f7870cf7de783c23"
+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 = "dunce"
 version = "1.0.5"
diff --git a/Cargo.toml b/Cargo.toml
index ba706656..5819f62b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ features = ["ffi", "std", "union"]
 version = "0.6.2"
 
 [workspace.dependencies.ctor]
-version = "0.2.9"
+version = "0.4.0"
 
 [workspace.dependencies.cargo_toml]
 version = "0.21"