diff --git a/init/libprefetch/prefetch/Cargo.lock b/init/libprefetch/prefetch/Cargo.lock
index d6b214d265..8ef03ab1bf 100644
--- a/init/libprefetch/prefetch/Cargo.lock
+++ b/init/libprefetch/prefetch/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -388,7 +388,7 @@ dependencies = [
  "nix",
  "proc-macro2",
  "quote",
- "rand 0.8.5",
+ "rand 0.8.6",
  "rayon",
  "rayon-core",
  "regex",
@@ -445,9 +445,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
 dependencies = [
  "libc",
  "rand_chacha",
diff --git a/init/libprefetch/prefetch/Cargo.toml b/init/libprefetch/prefetch/Cargo.toml
index 7da4fc68ba..7f811f5023 100644
--- a/init/libprefetch/prefetch/Cargo.toml
+++ b/init/libprefetch/prefetch/Cargo.toml
@@ -28,7 +28,7 @@ memchr = "=2.3.4"
 nix = {version = "0.28", features = ["fs", "time", "feature", "mman", "uio"]}
 proc-macro2 = "=1.0.26"
 quote = "=1.0.9"
-rand = "0.8.3"
+rand = "0.8.6"
 rayon = "=1.5.0"
 rayon-core = "=1.9.0"
 regex = "1.4.5"