diff --git a/.travis.yml b/.travis.yml
index 5e946a0..dc21d4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,19 +21,19 @@ matrix:
 
     # Minimum Rust supported channel.
     - os: linux
-      rust: 1.39.0
+      rust: 1.43.0
       env: TARGET=x86_64-unknown-linux-gnu
     - os: linux
-      rust: 1.39.0
+      rust: 1.43.0
       env: TARGET=x86_64-unknown-linux-musl
     - os: linux
-      rust: 1.39.0
+      rust: 1.43.0
       env: TARGET=i686-unknown-linux-gnu
     - os: linux
-      rust: 1.39.0
+      rust: 1.43.0
       env: TARGET=i686-unknown-linux-musl
     - os: osx
-      rust: 1.39.0
+      rust: 1.43.0
       env: TARGET=x86_64-apple-darwin
 
 addons:
diff --git a/README.md b/README.md
index 26386c7..fedcaca 100644
--- a/README.md
+++ b/README.md
@@ -182,7 +182,7 @@ Hyperfine can be installed via [cargo](https://doc.rust-lang.org/cargo/):
 cargo install hyperfine
 ```
 
-Make sure that you use Rust 1.39 or higher.
+Make sure that you use Rust 1.43 or higher.
 
 ### From binaries (Linux, macOS, Windows)