diff --git a/core/Cargo.toml b/core/Cargo.toml
index 2f06917..60a331e 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -15,7 +15,7 @@ travis-ci = { repository = "https://github.com/williballenthin/lancelot", branch
 log = "0.4"
 goblin = { version = "0.9", features = ["std", "pe32"], default-features = false }
 object = "0.36"
-zydis = { features = ["wasm", "serialization"], optional = true, version = "3.1.3" }
+zydis = { features = ["wasm", "serialization"], optional = true, version = "4.1.1" }
 byteorder = "1"
 bitflags = "1"
 lazy_static = "1"