diff --git a/Cargo.toml b/Cargo.toml
index 536271e..11d72b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,4 +24,4 @@ rustdoc-args = ["--cfg", "doc_cfg"]
 fxhash = ["rustc-hash"]
 
 [dependencies]
-rustc-hash = { version = "1.1.0", optional = true }
+rustc-hash = { version = "2.0.0", optional = true }