diff --git a/Cargo.lock b/Cargo.lock
index 9ce9fc9..c1d3e27 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -126,9 +126,9 @@ checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
 
 [[package]]
 name = "rustc-hash"
-version = "1.1.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
 
 [[package]]
 name = "smartstring"
diff --git a/Cargo.toml b/Cargo.toml
index 04369c3..5468cb2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-rustc-hash = "1.1"
+rustc-hash = "2.0"
 smartstring = "1.0"
 nom = "7.1"
 num-complex = { version = "0.4", default-features = false }