diff --git a/cumulus/Cargo.lock b/cumulus/Cargo.lock
index 935fdc68c5..351986be0f 100644
--- a/cumulus/Cargo.lock
+++ b/cumulus/Cargo.lock
@@ -2725,9 +2725,9 @@ checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
 
 [[package]]
 name = "fastrand"
-version = "1.5.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b394ed3d285a429378d3b384b9eb1285267e7df4b166df24b7a6939a04dc392e"
+checksum = "c3fcf0cee53519c866c09b5de1f6c56ff9d647101f81c1964fa632e148896cdf"
 dependencies = [
  "instant",
 ]
@@ -12191,13 +12191,13 @@ checksum = "d9bffcddbc2458fa3e6058414599e3c838a022abae82e5c67b4f7f80298d5bff"
 
 [[package]]
 name = "tempfile"
-version = "3.2.0"
+version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
 dependencies = [
  "cfg-if 1.0.0",
+ "fastrand",
  "libc",
- "rand 0.8.5",
  "redox_syscall 0.2.10",
  "remove_dir_all",
  "winapi 0.3.9",
diff --git a/cumulus/polkadot-parachains/Cargo.toml b/cumulus/polkadot-parachains/Cargo.toml
index d2a6e222f2..4feab9ed10 100644
--- a/cumulus/polkadot-parachains/Cargo.toml
+++ b/cumulus/polkadot-parachains/Cargo.toml
@@ -92,7 +92,7 @@ substrate-build-script-utils = { git = "https://github.com/paritytech/substrate"
 [dev-dependencies]
 assert_cmd = "2.0"
 nix = "0.24"
-tempfile = "3.2.0"
+tempfile = "3.3.0"
 
 [features]
 default = []