diff --git a/libafl_bolts/Cargo.toml b/libafl_bolts/Cargo.toml
index 92b794b03..89bb65e69 100644
--- a/libafl_bolts/Cargo.toml
+++ b/libafl_bolts/Cargo.toml
@@ -145,7 +145,7 @@ num_enum = { version = "0.7", default-features = false }
 ahash = { version = "0.8", default-features = false, optional = true } # The hash function already used in hashbrown
 backtrace = { version = "0.3", optional = true } # Used to get the stacktrace in StacktraceObserver
 
-ctor = { optional = true, version = "0.2" }
+ctor = { optional = true, version = "0.6" }
 serde_json = { version = "1.0", optional = true, default-features = false, features = [
   "alloc",
 ] }