diff --git a/Cargo.lock b/Cargo.lock
index 9ab6b9c..9b2ee9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "anyhow"
-version = "1.0.40"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
+checksum = "15af2628f6890fe2609a3b91bef4c83450512802e59489f9c1cb1fa5df064a61"
 
 [[package]]
 name = "arrayvec"
@@ -214,17 +214,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -233,7 +222,7 @@ checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.10.2+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -297,9 +286,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.96"
+version = "0.2.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5600b4e6efc5421841a2138a6b082e07fe12f9aaa12783d50e5d13325b26b4fc"
+checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
 
 [[package]]
 name = "memchr"
@@ -435,37 +424,14 @@ checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
-dependencies = [
- "getrandom 0.1.16",
- "libc",
- "rand_chacha 0.2.2",
- "rand_core 0.5.1",
- "rand_hc 0.2.0",
-]
-
-[[package]]
-name = "rand"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
  "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.2",
- "rand_hc 0.3.0",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
+ "rand_hc",
 ]
 
 [[package]]
@@ -475,50 +441,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
- "getrandom 0.1.16",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
-dependencies = [
- "getrandom 0.2.3",
+ "getrandom",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
- "rand_core 0.5.1",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core 0.6.2",
+ "rand_core",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "742739e41cd49414de871ea5e549afb7e2a3ac77b589bcbebe8c82fab37147fc"
+checksum = "5ab49abadf3f9e1c4bc499e8845e152ad87d2ad2d30371841171169e9d75feee"
 dependencies = [
  "bitflags",
 ]
@@ -529,7 +477,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
 dependencies = [
- "getrandom 0.2.3",
+ "getrandom",
  "redox_syscall",
 ]
 
@@ -651,7 +599,7 @@ checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
  "cfg-if",
  "libc",
- "rand 0.8.3",
+ "rand",
  "redox_syscall",
  "remove_dir_all",
  "winapi",
@@ -726,12 +674,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
 [[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
@@ -789,7 +731,7 @@ dependencies = [
  "dunce",
  "glob",
  "ordered-float",
- "rand 0.7.3",
+ "rand",
  "rstest",
  "serde",
  "tempfile",
diff --git a/Cargo.toml b/Cargo.toml
index 37ba6bc..35c6f48 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,18 +11,18 @@ categories = ["command-line-utilities", "filesystem"]
 
 [dependencies]
 anyhow = "1.0.32"
-askama = { version = "0.10.3", default-features = false }
+askama = { version="0.10.3", default-features=false }
 bincode = "1.3.1"
 clap = "3.0.0-beta.2"
 dirs-next = "2.0.0"
 dunce = "1.0.1"
 glob = "0.3.0"
 ordered-float = "2.0.0"
-serde = { version = "1.0.116", features = ["derive"] }
+serde = { version="1.0.116", features=["derive"] }
 tempfile = "3.1.0"
 
 [target.'cfg(windows)'.dependencies]
-rand = "0.7.3"
+rand = { version="0.8.4", features=["getrandom", "small_rng"], default-features=false }
 
 [dev-dependencies]
 assert_cmd = "1.0.1"
diff --git a/src/db/mod.rs b/src/db/mod.rs
index 05f1f1e..6808f06 100644
--- a/src/db/mod.rs
+++ b/src/db/mod.rs
@@ -138,6 +138,8 @@ impl Drop for Database<'_> {
 #[cfg(windows)]
 fn persist<P: AsRef<Path>>(mut file: NamedTempFile, path: P) -> Result<(), PersistError> {
     use rand::distributions::{Distribution, Uniform};
+    use rand::rngs::SmallRng;
+    use rand::SeedableRng;
     use std::thread;
     use std::time::Duration;
 
@@ -151,7 +153,7 @@ fn persist<P: AsRef<Path>>(mut file: NamedTempFile, path: P) -> Result<(), Persi
         match file.persist(&path) {
             Ok(_) => break,
             Err(e) if e.error.kind() == io::ErrorKind::PermissionDenied => {
-                let mut rng = rng.get_or_insert_with(rand::thread_rng);
+                let mut rng = rng.get_or_insert_with(SmallRng::from_entropy);
                 let between = Uniform::from(50..150);
                 let duration = Duration::from_millis(between.sample(&mut rng));
                 thread::sleep(duration);