diff --git a/Cargo.lock b/Cargo.lock
index 554d5338b..521ffd653 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1131,9 +1131,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d2df5196e37bcc87abebc0053e20787d73847bb33134a69841207dd0a47f03b"
+checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
 dependencies = [
  "either",
  "rayon-core",
@@ -1141,14 +1141,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b8f95bd6966f5c87776639160a66bd8ab9895d9d4ab01ddba9fc60661aebe8d"
+checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
 dependencies = [
- "crossbeam-channel",
  "crossbeam-deque",
  "crossbeam-utils",
- "num_cpus",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 8745cbc77..32f07ca20 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,7 +65,7 @@ memuse = "0.2"
 metrics = "0.21"
 orchard = "0.5"
 rand_core = "0.6"
-rayon = "1.5"
+rayon = "1.8"
 subtle = "2.2"
 tracing = "0.1"
 zcash_address = "0.3"