diff --git a/Cargo.lock b/Cargo.lock
index db2c979a..43691a0a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -96,9 +96,9 @@ dependencies = [
 
 [[package]]
 name = "block-padding"
-version = "0.4.0-rc.4"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e59c1aab3e6c5e56afe1b7e8650be9b5a791cb997bdea449194ae62e4bf8c73"
+checksum = "41d28ed5f5f65056148fd25e1a596b5b6d9e772270abf9a9085d7cbfbf26c563"
 dependencies = [
  "hybrid-array",
 ]
@@ -118,11 +118,22 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
 
+[[package]]
+name = "chacha20"
+version = "0.10.0-rc.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3585020fc6766ef7ff5c58d69819dbca16a19008ae347bb5d3e4e145c495eb38"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "rand_core 0.10.0-rc-2",
+]
+
 [[package]]
 name = "cipher"
-version = "0.5.0-rc.1"
+version = "0.5.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e12a13eb01ded5d32ee9658d94f553a19e804204f2dc811df69ab4d9e0cb8c7"
+checksum = "155e4a260750fa4f7754649f049748aacc31db238a358d85fd721002f230f92f"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -146,12 +157,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-rc.8"
+version = "0.7.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4113edbc9f68c0a64d5b911f803eb245d04bb812680fd56776411f69c670f3e0"
+checksum = "6715836b4946e8585016e80b79c7561476aff3b22f7b756778e7b109d86086c6"
 dependencies = [
  "num-traits",
- "rand_core",
+ "rand_core 0.10.0-rc-2",
  "serdect",
  "subtle",
  "zeroize",
@@ -159,9 +170,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.2.0-rc.4"
+version = "0.2.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a8235645834fbc6832939736ce2f2d08192652269e11010a6240f61b908a1c6"
+checksum = "919bd05924682a5480aec713596b9e2aabed3a0a6022fab6847f85a99e5f190a"
 dependencies = [
  "hybrid-array",
 ]
@@ -169,12 +180,11 @@ dependencies = [
 [[package]]
 name = "crypto-primes"
 version = "0.7.0-pre.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25f2523fbb68811c8710829417ad488086720a6349e337c38d12fa81e09e50bf"
+source = "git+https://github.com/baloo/crypto-primes.git?branch=baloo%2Frand_core%2F0.10.0-rc.2#8c948c73ac8c4638048d1301fe93fb40977f7978"
 dependencies = [
  "crypto-bigint",
  "libm",
- "rand_core",
+ "rand_core 0.10.0-rc-2",
 ]
 
 [[package]]
@@ -199,9 +209,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.11.0-rc.2"
+version = "0.11.0-rc.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6749b668519cd7149ee3d11286a442a8a8bdc3a9d529605f579777bfccc5a4bc"
+checksum = "ea390c940e465846d64775e55e3115d5dc934acb953de6f6e6360bc232fe2bf7"
 dependencies = [
  "block-buffer",
  "const-oid",
@@ -358,9 +368,9 @@ dependencies = [
 
 [[package]]
 name = "inout"
-version = "0.2.0-rc.6"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1603f76010ff924b616c8f44815a42eb10fb0b93d308b41deaa8da6d4251fd4b"
+checksum = "c7357b6e7aa75618c7864ebd0634b115a7218b0615f4cb1df33ac3eca23943d4"
 dependencies = [
  "block-padding",
  "hybrid-array",
@@ -478,7 +488,7 @@ dependencies = [
  "cbc",
  "der",
  "pbkdf2",
- "rand_core",
+ "rand_core 0.9.3",
  "scrypt",
  "sha2",
  "spki",
@@ -492,7 +502,7 @@ checksum = "93eac55f10aceed84769df670ea4a32d2ffad7399400d41ee1c13b1cd8e1b478"
 dependencies = [
  "der",
  "pkcs5",
- "rand_core",
+ "rand_core 0.9.3",
  "spki",
 ]
 
@@ -545,7 +555,7 @@ dependencies = [
  "bitflags",
  "lazy_static",
  "num-traits",
- "rand",
+ "rand 0.9.2",
  "rand_chacha",
  "rand_xorshift",
  "regex-syntax",
@@ -582,7 +592,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
  "rand_chacha",
- "rand_core",
+ "rand_core 0.9.3",
+]
+
+[[package]]
+name = "rand"
+version = "0.10.0-rc.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e7d245ced4538f0406b1579d3d4a6515a2ff1bdf20733492e2e4fc90a648769"
+dependencies = [
+ "chacha20",
+ "getrandom",
+ "rand_core 0.10.0-rc-2",
 ]
 
 [[package]]
@@ -592,7 +613,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -604,13 +625,19 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.0-rc-2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "104a23e4e8b77312a823b6b5613edbac78397e2f34320bc7ac4277013ec4478e"
+
 [[package]]
 name = "rand_xorshift"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "513962919efc330f829edb2535844d1b912b0fbe2ca165d613e4e8788bb05a5a"
 dependencies = [
- "rand_core",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -653,6 +680,7 @@ name = "rsa"
 version = "0.10.0-rc.9"
 dependencies = [
  "base64ct",
+ "chacha20",
  "const-oid",
  "crypto-bigint",
  "crypto-primes",
@@ -662,9 +690,8 @@ dependencies = [
  "pkcs1",
  "pkcs8",
  "proptest",
- "rand",
- "rand_chacha",
- "rand_core",
+ "rand 0.10.0-rc.1",
+ "rand_core 0.10.0-rc-2",
  "rand_xorshift",
  "rstest",
  "serde",
@@ -872,12 +899,12 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "3.0.0-rc.4"
+version = "3.0.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc280a6ff65c79fbd6622f64d7127f32b85563bca8c53cd2e9141d6744a9056d"
+checksum = "2a0251c9d6468f4ba853b6352b190fb7c1e405087779917c238445eb03993826"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.10.0-rc-2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 72904d09..a17e0740 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,11 +14,11 @@ rust-version = "1.85"
 
 [dependencies]
 const-oid = { version = "0.10", default-features = false }
-crypto-bigint = { version = "0.7.0-rc.8", default-features = false, features = ["zeroize", "alloc"] }
+crypto-bigint = { version = "0.7.0-rc.10", default-features = false, features = ["zeroize", "alloc"] }
 crypto-primes = { version = "0.7.0-pre.2", default-features = false }
 digest = { version = "0.11.0-rc.1", default-features = false, features = ["alloc", "oid"] }
-rand_core = { version = "0.9", default-features = false }
-signature = { version = "3.0.0-rc.4", default-features = false, features = ["alloc", "digest", "rand_core"] }
+rand_core = { version = "0.10.0-rc.2", default-features = false }
+signature = { version = "3.0.0-rc.5", default-features = false, features = ["alloc", "digest", "rand_core"] }
 subtle = { version = "2.6.1", default-features = false }
 zeroize = { version = "1.8", features = ["alloc"] }
 
@@ -30,6 +30,7 @@ sha1 = { version = "0.11.0-rc.2", optional = true, default-features = false, fea
 spki = { version = "0.8.0-rc.4", optional = true, default-features = false, features = ["alloc"] }
 sha2 = { version = "0.11.0-rc.2", optional = true, default-features = false, features = ["oid"] }
 serde = { version = "1.0.184", optional = true, default-features = false, features = ["derive"] }
+rand = { version = "0.10.0-rc.1", optional = true, default-features = false }
 
 [dev-dependencies]
 base64ct = { version = "1", features = ["alloc"] }
@@ -37,9 +38,9 @@ hex-literal = "1"
 proptest = "1"
 serde_test = "1.0.89"
 rand_xorshift = "0.4"
-rand_chacha = "0.9"
-rand = "0.9"
-rand_core = { version = "0.9.1", default-features = false }
+chacha20 = { version = "0.10.0-rc.3", default-features = false, features = ["rng"] }
+rand = "0.10.0-rc.1"
+rand_core = { version = "0.10.0-rc.2", default-features = false }
 sha1 = { version = "0.11.0-rc.2", default-features = false, features = ["oid"] }
 sha2 = { version = "0.11.0-rc.2", default-features = false, features = ["oid"] }
 sha3 = { version = "0.11.0-rc.2", default-features = false, features = ["oid"] }
@@ -55,10 +56,10 @@ name = "key"
 default = ["std", "encoding"]
 encoding = ["dep:pkcs1", "dep:pkcs8", "dep:spki"]
 hazmat = []
-os_rng = ["rand_core/os_rng", "crypto-bigint/rand_core"]
+os_rng = ["crypto-bigint/rand_core", "rand/os_rng"]
 serde = ["encoding", "dep:serde", "dep:serdect", "crypto-bigint/serde"]
 pkcs5 = ["pkcs8/encryption"]
-std = ["pkcs1?/std", "pkcs8?/std", "rand_core/std", "crypto-bigint/rand"]
+std = ["pkcs1?/std", "pkcs8?/std", "crypto-bigint/rand"]
 
 [package.metadata.docs.rs]
 features = ["std", "serde", "hazmat", "sha2"]
@@ -69,3 +70,6 @@ opt-level = 2
 
 [profile.bench]
 debug = true
+
+[patch.crates-io]
+crypto-primes = { git = "https://github.com/baloo/crypto-primes.git", branch = "baloo/rand_core/0.10.0-rc.2" }
diff --git a/benches/key.rs b/benches/key.rs
index e6a70a06..a687f657 100644
--- a/benches/key.rs
+++ b/benches/key.rs
@@ -3,9 +3,10 @@
 extern crate test;
 
 use base64ct::{Base64, Encoding};
+use chacha20::ChaCha8Rng;
 use crypto_bigint::BoxedUint;
 use hex_literal::hex;
-use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+use rand_core::SeedableRng;
 use rsa::{Pkcs1v15Encrypt, Pkcs1v15Sign, RsaPrivateKey};
 use sha2::{Digest, Sha256};
 use test::Bencher;
diff --git a/src/algorithms/generate.rs b/src/algorithms/generate.rs
index 4c121e81..360202b4 100644
--- a/src/algorithms/generate.rs
+++ b/src/algorithms/generate.rs
@@ -134,7 +134,8 @@ fn generate_prime_with_rng<R: CryptoRng + ?Sized>(rng: &mut R, bit_length: u32)
 #[cfg(test)]
 mod tests {
     use super::*;
-    use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+    use chacha20::ChaCha8Rng;
+    use rand_core::SeedableRng;
 
     const EXP: u64 = 65537;
 
diff --git a/src/algorithms/pkcs1v15.rs b/src/algorithms/pkcs1v15.rs
index 2a2f7d4e..9b3430f5 100644
--- a/src/algorithms/pkcs1v15.rs
+++ b/src/algorithms/pkcs1v15.rs
@@ -187,7 +187,8 @@ where
 #[cfg(test)]
 mod tests {
     use super::*;
-    use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+    use chacha20::ChaCha8Rng;
+    use rand_core::SeedableRng;
 
     #[test]
     fn test_non_zero_bytes() {
diff --git a/src/key.rs b/src/key.rs
index 462a65cb..27411112 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -754,8 +754,9 @@ mod tests {
     use crate::algorithms::rsa::{rsa_decrypt_and_check, rsa_encrypt};
     use crate::traits::{PrivateKeyParts, PublicKeyParts};
 
+    use chacha20::ChaCha8Rng;
     use hex_literal::hex;
-    use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+    use rand_core::SeedableRng;
 
     #[cfg(feature = "encoding")]
     use pkcs8::DecodePrivateKey;
@@ -875,7 +876,8 @@ mod tests {
     #[test]
     #[cfg(all(feature = "hazmat", feature = "serde"))]
     fn test_serde() {
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
 
         let mut rng = ChaCha8Rng::from_seed([42; 32]);
diff --git a/src/oaep.rs b/src/oaep.rs
index c3bf49e5..e5bd3b7b 100644
--- a/src/oaep.rs
+++ b/src/oaep.rs
@@ -326,12 +326,10 @@ mod tests {
     use crate::traits::PublicKeyParts;
     use crate::traits::{Decryptor, RandomizedDecryptor, RandomizedEncryptor};
 
+    use chacha20::ChaCha8Rng;
     use crypto_bigint::BoxedUint;
     use digest::{Digest, FixedOutputReset};
-    use rand_chacha::{
-        rand_core::{RngCore, SeedableRng},
-        ChaCha8Rng,
-    };
+    use rand_core::{RngCore, SeedableRng};
     use sha1::Sha1;
     use sha2::{Sha224, Sha256, Sha384, Sha512};
     use sha3::{Sha3_256, Sha3_384, Sha3_512};
diff --git a/src/oaep/decrypting_key.rs b/src/oaep/decrypting_key.rs
index ba873899..41180239 100644
--- a/src/oaep/decrypting_key.rs
+++ b/src/oaep/decrypting_key.rs
@@ -101,7 +101,8 @@ mod tests {
     #[cfg(all(feature = "hazmat", feature = "serde"))]
     fn test_serde() {
         use super::*;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/src/oaep/encrypting_key.rs b/src/oaep/encrypting_key.rs
index ee069029..5a8cf831 100644
--- a/src/oaep/encrypting_key.rs
+++ b/src/oaep/encrypting_key.rs
@@ -76,7 +76,8 @@ mod tests {
     #[cfg(all(feature = "hazmat", feature = "serde"))]
     fn test_serde() {
         use super::*;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
 
         let mut rng = ChaCha8Rng::from_seed([42; 32]);
diff --git a/src/pkcs1v15.rs b/src/pkcs1v15.rs
index 1a9fff1e..7a1ba1d7 100644
--- a/src/pkcs1v15.rs
+++ b/src/pkcs1v15.rs
@@ -253,11 +253,9 @@ mod tests {
         SignatureEncoding, Signer, Verifier,
     };
     use base64ct::{Base64, Encoding};
+    use chacha20::ChaCha8Rng;
     use hex_literal::hex;
-    use rand_chacha::{
-        rand_core::{RngCore, SeedableRng},
-        ChaCha8Rng,
-    };
+    use rand_core::{RngCore, SeedableRng};
     use rstest::rstest;
     use sha1::{Digest, Sha1};
     use sha2::Sha256;
diff --git a/src/pkcs1v15/decrypting_key.rs b/src/pkcs1v15/decrypting_key.rs
index 1f00d2c1..5f5045c3 100644
--- a/src/pkcs1v15/decrypting_key.rs
+++ b/src/pkcs1v15/decrypting_key.rs
@@ -59,7 +59,8 @@ mod tests {
     #[cfg(all(feature = "hazmat", feature = "serde"))]
     fn test_serde() {
         use super::*;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
 
         let mut rng = ChaCha8Rng::from_seed([42; 32]);
diff --git a/src/pkcs1v15/encrypting_key.rs b/src/pkcs1v15/encrypting_key.rs
index f8eef213..705bc274 100644
--- a/src/pkcs1v15/encrypting_key.rs
+++ b/src/pkcs1v15/encrypting_key.rs
@@ -34,7 +34,8 @@ mod tests {
     fn test_serde() {
         use super::*;
         use crate::RsaPrivateKey;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
 
         let mut rng = ChaCha8Rng::from_seed([42; 32]);
diff --git a/src/pkcs1v15/signing_key.rs b/src/pkcs1v15/signing_key.rs
index 0968e3f2..cfbaf190 100644
--- a/src/pkcs1v15/signing_key.rs
+++ b/src/pkcs1v15/signing_key.rs
@@ -338,7 +338,8 @@ mod tests {
     fn test_serde() {
         use super::*;
         use crate::RsaPrivateKey;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/src/pkcs1v15/verifying_key.rs b/src/pkcs1v15/verifying_key.rs
index 6e1350e3..7742a1a2 100644
--- a/src/pkcs1v15/verifying_key.rs
+++ b/src/pkcs1v15/verifying_key.rs
@@ -251,7 +251,8 @@ mod tests {
     fn test_serde() {
         use super::*;
         use crate::RsaPrivateKey;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/src/pss.rs b/src/pss.rs
index 3a967c9d..e64da10a 100644
--- a/src/pss.rs
+++ b/src/pss.rs
@@ -295,9 +295,10 @@ mod test {
     use crate::{RsaPrivateKey, RsaPublicKey};
 
     use crate::traits::PublicKeyParts;
+    use chacha20::ChaCha8Rng;
     use hex_literal::hex;
     use pkcs1::DecodeRsaPrivateKey;
-    use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+    use rand_core::SeedableRng;
     use rstest::rstest;
     use sha1::{Digest, Sha1};
     use signature::hazmat::{PrehashVerifier, RandomizedPrehashSigner};
@@ -441,11 +442,11 @@ tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
     fn test_sign_and_verify_roundtrip(#[case] test: &str) {
         let priv_key = get_private_key();
 
-        let rng = ChaCha8Rng::from_seed([42; 32]);
+        let mut rng = ChaCha8Rng::from_seed([42; 32]);
 
         let digest = Sha1::digest(test.as_bytes()).to_vec();
         let sig = priv_key
-            .sign_with_rng(&mut rng.clone(), Pss::<Sha1>::new(), &digest)
+            .sign_with_rng(&mut rng, Pss::<Sha1>::new(), &digest)
             .expect("failed to sign");
 
         priv_key
@@ -459,11 +460,11 @@ tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
     fn test_sign_blinded_and_verify_roundtrip(#[case] test: &str) {
         let priv_key = get_private_key();
 
-        let rng = ChaCha8Rng::from_seed([42; 32]);
+        let mut rng = ChaCha8Rng::from_seed([42; 32]);
 
         let digest = Sha1::digest(test.as_bytes()).to_vec();
         let sig = priv_key
-            .sign_with_rng(&mut rng.clone(), Pss::<Sha1>::new_blinded(), &digest)
+            .sign_with_rng(&mut rng, Pss::<Sha1>::new_blinded(), &digest)
             .expect("failed to sign");
 
         priv_key
diff --git a/src/pss/blinded_signing_key.rs b/src/pss/blinded_signing_key.rs
index 6dd29aab..0e728741 100644
--- a/src/pss/blinded_signing_key.rs
+++ b/src/pss/blinded_signing_key.rs
@@ -287,7 +287,8 @@ mod tests {
     #[cfg(all(feature = "hazmat", feature = "serde"))]
     fn test_serde() {
         use super::*;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/src/pss/signing_key.rs b/src/pss/signing_key.rs
index 32c28107..36fdf5e1 100644
--- a/src/pss/signing_key.rs
+++ b/src/pss/signing_key.rs
@@ -29,7 +29,7 @@ use {
 
 #[cfg(feature = "os_rng")]
 use {
-    rand_core::OsRng,
+    rand::rngs::OsRng,
     signature::{hazmat::PrehashSigner, MultipartSigner, Signer},
 };
 
@@ -326,7 +326,8 @@ mod tests {
     fn test_serde() {
         use super::*;
         use crate::RsaPrivateKey;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/src/pss/verifying_key.rs b/src/pss/verifying_key.rs
index 5bc5f26a..e0063000 100644
--- a/src/pss/verifying_key.rs
+++ b/src/pss/verifying_key.rs
@@ -246,7 +246,8 @@ mod tests {
     fn test_serde() {
         use super::*;
         use crate::RsaPrivateKey;
-        use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
+        use chacha20::ChaCha8Rng;
+        use rand_core::SeedableRng;
         use serde_test::{assert_tokens, Configure, Token};
         use sha2::Sha256;
 
diff --git a/tests/proptests.rs b/tests/proptests.rs
index 17533ab4..17d101b3 100644
--- a/tests/proptests.rs
+++ b/tests/proptests.rs
@@ -2,8 +2,8 @@
 
 #![cfg(feature = "hazmat")]
 
+use chacha20::ChaCha8Rng;
 use proptest::prelude::*;
-use rand_chacha::ChaCha8Rng;
 use rand_core::SeedableRng;
 use rsa::{
     pkcs1v15,