diff --git a/Cargo.lock b/Cargo.lock
index 0f17b60..f8b896a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -282,9 +282,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.8.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa7237101a77a10773db45d62004a272517633fbcc3df19d96455ede1122e051"
+checksum = "e4963ed1bc86e4f3ee217022bd855b297cef07fb9eac5dfa1f788b220b49b3bd"
 dependencies = [
  "either",
  "rayon-core",
diff --git a/mop/Cargo.toml b/mop/Cargo.toml
index 1cb8c95..a26c75d 100644
--- a/mop/Cargo.toml
+++ b/mop/Cargo.toml
@@ -6,7 +6,7 @@ ndstruct = { default-features = false, features = ["rand"], optional = true, ver
 num-integer = { default-features = false, optional = true, version = "0.1" }
 num-traits = { default-features = false, features = ["libm"], version = "0.2" }
 rand = { default-features = false, features = ["getrandom"], optional = true, version = "0.8" }
-rayon = { default-features = false, optional = true, version = "1.8" }
+rayon = { default-features = false, optional = true, version = "1.9" }
 serde = { default-features = false, features = ["derive"], optional = true, version = "1.0" }
 wasm-bindgen = { default-features = false, features = ["std", "spans"], optional = true, version = "0.2" }