diff --git a/Cargo.lock b/Cargo.lock
index 7185856..3f537d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -748,7 +748,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -760,7 +760,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "typenum",
 ]
 
@@ -935,7 +935,7 @@ dependencies = [
  "generic-array",
  "group",
  "pkcs8 0.10.2",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -1020,7 +1020,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -1057,12 +1057,6 @@ dependencies = [
  "miniz_oxide",
 ]
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "futures"
 version = "0.3.30"
@@ -1279,7 +1273,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -1733,7 +1727,7 @@ dependencies = [
  "keyfork-slip10-test-data",
  "keyforkd",
  "keyforkd-models",
- "tempdir",
+ "tempfile",
  "thiserror",
  "tokio",
 ]
@@ -1991,7 +1985,7 @@ dependencies = [
  "num-integer",
  "num-iter",
  "num-traits",
- "rand 0.8.5",
+ "rand",
  "smallvec",
  "zeroize",
 ]
@@ -2366,19 +2360,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
-dependencies = [
- "fuchsia-cprng",
- "libc",
- "rand_core 0.3.1",
- "rdrand",
- "winapi",
-]
-
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -2387,7 +2368,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core 0.6.4",
+ "rand_core",
 ]
 
 [[package]]
@@ -2397,24 +2378,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -2424,15 +2390,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.4.1"
@@ -2503,15 +2460,6 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
-[[package]]
-name = "remove_dir_all"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "ripemd"
 version = "0.1.3"
@@ -2546,7 +2494,7 @@ dependencies = [
  "num-traits",
  "pkcs1",
  "pkcs8 0.9.0",
- "rand_core 0.6.4",
+ "rand_core",
  "signature",
  "subtle",
  "zeroize",
@@ -2661,7 +2609,7 @@ dependencies = [
  "memsec",
  "nettle",
  "once_cell",
- "rand 0.8.5",
+ "rand",
  "regex",
  "regex-syntax 0.8.2",
  "sha1collisiondetection",
@@ -2762,7 +2710,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "902b1e955f8a2e429fb1bad49f83fb952e6195d3c360ac547ff00fb826388753"
 dependencies = [
  "hashbrown 0.9.1",
- "rand 0.8.5",
+ "rand",
  "zeroize",
 ]
 
@@ -2809,7 +2757,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core 0.6.4",
+ "rand_core",
 ]
 
 [[package]]
@@ -2936,16 +2884,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "tempdir"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
-dependencies = [
- "rand 0.4.6",
- "remove_dir_all",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.9.0"
@@ -3534,7 +3472,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb66477291e7e8d2b0ff1bcb900bf29489a9692816d79874bea351e7a8b6de96"
 dependencies = [
  "curve25519-dalek",
- "rand_core 0.6.4",
+ "rand_core",
  "serde",
  "zeroize",
 ]
diff --git a/keyforkd-client/Cargo.toml b/keyforkd-client/Cargo.toml
index 4323b3a..bd5bae4 100644
--- a/keyforkd-client/Cargo.toml
+++ b/keyforkd-client/Cargo.toml
@@ -21,5 +21,5 @@ thiserror = "1.0.49"
 [dev-dependencies]
 keyfork-slip10-test-data = { path = "../keyfork-slip10-test-data" }
 keyforkd = { path = "../keyforkd" }
-tempdir = "0.3.7"
+tempfile = "3.9.0"
 tokio = { version = "1.32.0", features = ["rt", "sync", "rt-multi-thread"] }
diff --git a/keyforkd-client/src/tests.rs b/keyforkd-client/src/tests.rs
index 6c3a760..a3aabfb 100644
--- a/keyforkd-client/src/tests.rs
+++ b/keyforkd-client/src/tests.rs
@@ -3,7 +3,6 @@ use keyfork_derive_util::{request::*, DerivationPath};
 use keyfork_slip10_test_data::test_data;
 use std::sync::mpsc::channel;
 use std::{os::unix::net::UnixStream, str::FromStr};
-use tempdir::TempDir;
 use tokio::runtime::Builder;
 
 #[test]
@@ -15,7 +14,7 @@ fn secp256k1() {
 
     // note: since client is non async, can't be single threaded
     let rt = Builder::new_multi_thread().enable_io().build().unwrap();
-    let tempdir = TempDir::new("keyfork-seed").unwrap();
+    let tempdir = tempfile::tempdir().unwrap();
     for (i, per_seed) in tests.into_iter().enumerate() {
         let mut socket_name = i.to_string();
         socket_name.push_str("-keyforkd.sock");
@@ -60,7 +59,7 @@ fn ed25519() {
     let tests = test_data().unwrap().remove(&"ed25519".to_string()).unwrap();
 
     let rt = Builder::new_multi_thread().enable_io().build().unwrap();
-    let tempdir = TempDir::new("keyfork-seed").unwrap();
+    let tempdir = tempfile::tempdir().unwrap();
     for (i, per_seed) in tests.into_iter().enumerate() {
         let mut socket_name = i.to_string();
         socket_name.push_str("-keyforkd.sock");