diff --git a/Cargo.lock b/Cargo.lock
index d756934..0987b09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -281,9 +281,9 @@ 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/Cargo.toml b/Cargo.toml
index 6da4d60..7428a42 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ exclude = [
 clap = {version="3.2.25", features=['yaml']}
 error-chain = "0.12.0"
 rand = "0.8.*"
-rayon = "1.8.1"
+rayon = "1.9.0"
 
 [dev-dependencies]
 assert_approx_eq = "1.1.0"