diff --git a/Cargo.toml b/Cargo.toml
index 4f8da57..6dbb845 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ memchr = "2.4"
 nom = { version = "7.0", default-features = false, features = ["std"] }
 serde = { version = "1.0", optional = true, features = ["derive"] }
 serde_indextree = { version = "0.2", optional = true }
-syntect = { version = "4.6", optional = true }
+syntect = { version = "5.0", optional = true }
 indexmap = { version = "1.7", features = ["serde-1"], optional = true }
 # wasm stuff
 serde-wasm-bindgen = { version = "0.3", optional = true }