diff --git a/Cargo.lock b/Cargo.lock
index 2ea854ee..577463d0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2652,9 +2652,9 @@ checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
 
 [[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/Cargo.toml b/Cargo.toml
index 927082f1..e76033d4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,7 +66,7 @@ prio_draft09 = { package = "prio", version = "0.16.7" }
 # TODO Point to version `0.17.0` once release. This revision is one commit ahead of `0.17.0-alpha.0`.
 prio = { git = "https://github.com/divviup/libprio-rs.git", rev = "e5e8a47ee4567f7588d0b5c8d20f75dde4061b2f" }
 prometheus = "0.13.4"
-rand = "0.8.5"
+rand = "0.8.6"
 rayon = "1.10.0"
 rcgen = "0.12.1"
 regex = "1.10.5"