diff --git a/Cargo.lock b/Cargo.lock
index 5bd7ac31..0d6276fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -575,7 +575,7 @@ dependencies = [
  "priority-queue",
  "proptest",
  "ron",
- "rustc-hash",
+ "rustc-hash 2.0.0",
  "serde",
  "thiserror",
  "varisat",
@@ -703,6 +703,12 @@ 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 = "0.38.32"
@@ -892,7 +898,7 @@ dependencies = [
  "log",
  "ordered-float",
  "partial_ref",
- "rustc-hash",
+ "rustc-hash 1.1.0",
  "serde",
  "thiserror",
  "varisat-checker",
@@ -912,7 +918,7 @@ dependencies = [
  "anyhow",
  "log",
  "partial_ref",
- "rustc-hash",
+ "rustc-hash 1.1.0",
  "smallvec",
  "thiserror",
  "varisat-dimacs",
diff --git a/Cargo.toml b/Cargo.toml
index 6b0eaabc..e63c3d08 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ include = ["Cargo.toml", "LICENSE", "README.md", "src/**", "tests/**", "examples
 indexmap = "2.2.6"
 priority-queue = "2.0.3"
 thiserror = "1.0"
-rustc-hash = "1.1.0"
+rustc-hash = ">=1.0.0, <3.0.0"
 serde = { version = "1.0", features = ["derive"], optional = true }
 log = "0.4.22" # for debug logs in tests