diff --git a/.travis.yml b/.travis.yml
index 7223a32..64f76c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,19 +21,19 @@ matrix:
 
     # Minimum Rust supported channel.
     - os: linux
-      rust: 1.20.0
+      rust: 1.24.0
       env: TARGET=x86_64-unknown-linux-gnu
     - os: linux
-      rust: 1.20.0
+      rust: 1.24.0
       env: TARGET=x86_64-unknown-linux-musl
     - os: linux
-      rust: 1.20.0
+      rust: 1.24.0
       env: TARGET=i686-unknown-linux-gnu
     - os: linux
-      rust: 1.20.0
+      rust: 1.24.0
       env: TARGET=i686-unknown-linux-musl
     - os: osx
-      rust: 1.20.0
+      rust: 1.24.0
       env: TARGET=x86_64-apple-darwin
 
 addons:
diff --git a/Cargo.lock b/Cargo.lock
index 50d4d3e..91ee04b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -80,7 +80,7 @@ dependencies = [
  "clicolors-control 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "termios 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -149,7 +149,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "console 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -275,7 +275,7 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lock_api 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -571,7 +571,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum num-rational 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "ee314c74bd753fc86b4780aa9475da469155f3848473a261d2d18e35245a784e"
 "checksum num-traits 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "630de1ef5cc79d0cdd78b7e33b81f083cbfe90de0f4b2b2f07f905867c70e9fe"
 "checksum owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
-"checksum parking_lot 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "901d6514273469bb17380c1ac3f51fb3ce54be1f960e51a6f04901eba313ab8d"
+"checksum parking_lot 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "69376b761943787ebd5cc85a5bc95958651a22609c5c1c2b65de21786baec72b"
 "checksum parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4db1a8ccf734a7bce794cc19b3df06ed87ab2f3907036b693c68f56b4d4537fa"
 "checksum proc-macro2 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c65b1ea15bb859d922cade2d1765b4b88beac339cbfad545ef2d2ef8c8215ee6"
 "checksum quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e44651a0dc4cdd99f71c83b561e221f714912d11af1a4dff0631f923d53af035"
diff --git a/README.md b/README.md
index 999302f..55c2abf 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,8 @@ Hyperfine can be installed via [cargo](https://doc.rust-lang.org/cargo/):
 cargo install hyperfine
 ```
 
+Make sure that you use Rust 1.24 or higher.
+
 ### From binaries (Linux, macOS)
 
 Download the corresponding archive from the [Release page](https://github.com/sharkdp/hyperfine/releases).