diff --git a/Cargo.lock b/Cargo.lock
index 9cde4a3..a93e139 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -758,7 +758,7 @@ dependencies = [
  "num 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "ringbuf 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustyline 5.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustyline 6.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sdl2 0.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin_sleep 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -781,7 +781,7 @@ dependencies = [
 
 [[package]]
 name = "rustyline"
-version = "5.0.6"
+version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1173,7 +1173,7 @@ dependencies = [
 "checksum rust-argon2 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ca4eaef519b494d1f2848fc602d18816fed808a981aedf4f1f00ceb7c9d32cf"
 "checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-"checksum rustyline 5.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a23cb19702a8d6afb6edb3c842386e680d4883760e0df74e6848e23c2a87a635"
+"checksum rustyline 6.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de64be8eecbe428b6924f1d8430369a01719fbb182c26fa431ddbb0a95f5315d"
 "checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8"
 "checksum sdl2 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a74c2a98a354b20713b90cce70aef9e927e46110d1bc4ef728fd74e0d53eba60"
 "checksum sdl2 0.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1f74124048ea86b5cd50236b2443f6f57cf4625a8e8818009b4e50dbb8729a43"
diff --git a/Cargo.toml b/Cargo.toml
index 73a133e..c45d204 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ log = "0.4.8"
 flexi_logger = {version = "0.14", features = ["colors"]}
 arrayvec = "0.5.1"
 
-rustyline = {version = "5.0.0", optional = true}
+rustyline = {version = "6.0.0", optional = true}
 nom = {version = "5.0.0", optional = true}
 
 [[bin]]