diff --git a/Cargo.lock b/Cargo.lock
index 680ce2a..d10084f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "lazy_static"
@@ -25,9 +25,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-hash"
-version = "1.1.0"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+checksum = "94300abf3f1ae2e2b8ffb7b58043de3d399c73fa6f4b73826402a5c457614dbe"
 
 [[package]]
 name = "tct"
diff --git a/Cargo.toml b/Cargo.toml
index 9f37d9d..6868e12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 [dependencies]
 lazy_static = "1.4.0"
 memmap2 = "0.5.8"
-rustc-hash = "1.1.0"
+rustc-hash = "2.0.0"
 
 [profile.release]
 lto = "fat"