diff --git a/Cargo.lock b/Cargo.lock
index da23edb..e757a39 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -161,14 +161,19 @@ checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
 
 [[package]]
 name = "ctor"
-version = "0.2.9"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
+checksum = "035a5c3c87da8be7a0e5ebd6fbabcccd8651a59c27197096d1dfd74f312aaee5"
 dependencies = [
- "quote",
- "syn",
+ "ctor-proc-macro",
 ]
 
+[[package]]
+name = "ctor-proc-macro"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "107adb396b2d8e7766e79151083ce1cc624b51dfd1c23e0429c50226bba693eb"
+
 [[package]]
 name = "difflib"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index 539b579..f910157 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ xdg = "2.5"
 [dev-dependencies]
 assert_cmd = "2.0"
 cargo_metadata = "0.19"
-ctor = "0.2"
+ctor = "0.3"
 snapbox = "0.6"
 
 [lints.clippy]