diff --git a/halo2-base/Cargo.toml b/halo2-base/Cargo.toml
index 8446bbc2..5cf222b2 100644
--- a/halo2-base/Cargo.toml
+++ b/halo2-base/Cargo.toml
@@ -11,7 +11,7 @@ num-traits = "=0.2"
 rand_chacha = "=0.3"
 rustc-hash = "=1.1"
 ff = "=0.12"
-rayon = "=1.6.1"
+rayon = "=1.7"
 serde = { version = "=1.0", features = ["derive"] }
 serde_json = "=1.0"
 log = "=0.4"