diff --git a/Cargo.toml b/Cargo.toml
index 9e63f72..01859e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,12 +6,13 @@ build   = "build.rs"
 authors = ["meh. <meh@schizofreni.co>", "Zhiming Wang <i@zhimingwang.org>"]
 license = "WTFPL"
 
-description = "Safe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)"
+description   = "Safe FFmpeg wrapper (FFmpeg 4 compatible fork of the ffmpeg crate)"
 documentation = "https://docs.rs/ffmpeg-next"
-homepage = "https://github.com/zmwangx/rust-ffmpeg#readme"
-repository  = "https://github.com/zmwangx/rust-ffmpeg"
-readme = "README.md"
-keywords    = ["ffmpeg", "multimedia", "video", "audio"]
+homepage      = "https://github.com/zmwangx/rust-ffmpeg#readme"
+repository    = "https://github.com/zmwangx/rust-ffmpeg"
+readme        = "README.md"
+keywords      = ["ffmpeg", "multimedia", "video", "audio"]
+categories    = ["multimedia"]
 
 [features]
 default = ["ffmpeg4", "codec", "device", "filter", "format", "resampling", "software-resampling", "software-scaling"]