diff --git a/README.md b/README.md
index 6c460eb..8faec0c 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,11 @@ apng is animated png encoder for Rust, and made in pure Rust.
 ## Example usage
 
 ```rust
+use apng::{Encoder, Frame, PNGImage};
+use std::fs::File;
+use std::io::BufWriter;
+use std::path::Path;
+
 fn main() {
     let files = vec![
         "rust_logo1.png",
diff --git a/src/lib.rs b/src/lib.rs
index 85eae6a..f626a13 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,12 @@ apng is animated png encoder for Rust, and made in pure Rust.
 
 # Example
 
-```rust
+```no_run
+use apng::{Encoder, Frame, PNGImage};
+use std::fs::File;
+use std::io::BufWriter;
+use std::path::Path;
+
 fn main() {
     let files = vec![
         "rust_logo1.png",