diff --git a/Cargo.lock b/Cargo.lock
index 86eba360..74ae70fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -214,6 +214,12 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
 
+[[package]]
+name = "endian-type"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c34f04666d835ff5d62e058c3995147c06f42fe86ff053337632bca83e42702d"
+
 [[package]]
 name = "fallible-iterator"
 version = "0.2.0"
@@ -389,11 +395,20 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "nibble_vec"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a5d83df9f36fe23f0c3648c6bbb8b0298bb5f1939c8f2704431371f4b84d43"
+dependencies = [
+ "smallvec",
+]
+
 [[package]]
 name = "nix"
-version = "0.19.1"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
+checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
 dependencies = [
  "bitflags",
  "cc",
@@ -501,6 +516,16 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radix_trie"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c069c179fcdc6a2fe24d8d18305cf085fdbd4f922c041943e203685d6a1c58fd"
+dependencies = [
+ "endian-type",
+ "nibble_vec",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.1.57"
@@ -570,9 +595,9 @@ dependencies = [
 
 [[package]]
 name = "rustyline"
-version = "7.1.0"
+version = "8.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8227301bfc717136f0ecbd3d064ba8199e44497a0bdd46bb01ede4387cfd2cec"
+checksum = "b9e1b597fcd1eeb1d6b25b493538e5aa19629eb08932184b85fef931ba87e893"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -582,7 +607,9 @@ dependencies = [
  "log",
  "memchr",
  "nix",
+ "radix_trie",
  "scopeguard",
+ "smallvec",
  "unicode-segmentation",
  "unicode-width",
  "utf8parse",
diff --git a/Cargo.toml b/Cargo.toml
index 624a7379..6cd110c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,5 +11,5 @@ lazy_static = "1.4"
 comfy-table = "2.1"
 regex = "1.4"
 rusqlite = "0.24"
-rustyline = "7.1"
+rustyline = "8.0"
 clap = "3.0.0-beta.2"