diff --git a/Cargo.lock b/Cargo.lock
index aad6903..5b35a50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -118,7 +118,7 @@ dependencies = [
  "nohash-hasher",
  "once_cell",
  "rayon",
- "rustc-hash",
+ "rustc-hash 1.1.0",
  "segvec",
  "sync-unsafe-cell",
 ]
@@ -416,7 +416,7 @@ dependencies = [
  "lazy_static",
  "mintex",
  "parking_lot",
- "rustc-hash",
+ "rustc-hash 1.1.0",
  "serde",
  "serde_json",
  "thousands",
@@ -907,6 +907,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc-hash"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "583034fd73374156e66797ed8e5b0d5690409c9226b22d87cb7f19821c05d152"
+
 [[package]]
 name = "rustix"
 version = "0.38.11"
@@ -1372,7 +1378,7 @@ dependencies = [
  "either",
  "llvm-ir",
  "regex",
- "rustc-hash",
+ "rustc-hash 2.0.0",
  "serde",
  "serde_json",
  "thiserror",
diff --git a/Cargo.toml b/Cargo.toml
index bc11e7d..33b7ba1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ either = "1"
 # TODO: https://github.com/cdisselkoen/llvm-ir/pull/34
 llvm-ir = { version = "0.9", features = ["llvm-14"] }
 regex = "1"
-rustc-hash = "1"
+rustc-hash = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 thiserror = "1"