diff --git a/Cargo.toml b/Cargo.toml
index f72a2ca6..d1a2280a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,6 @@ num_cpus = "^1.0.0"
 zopfli = "^0.4.0"
 miniz_oxide = "0.3"
 rgb = "0.8.11"
-vec_map = "0.8.1"
 indexmap = { version = "1.3.2", features = ["rayon"] }
 
 [dependencies.rayon]