diff --git a/Cargo.lock b/Cargo.lock
index ad138bb10..465072695 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,7 +20,7 @@ checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 [[package]]
 name = "aead"
 version = "0.6.0-rc.0"
-source = "git+https://github.com/RustCrypto/traits.git#2dc47f8d1461a2a7a22b68e2afafeb4b59e13420"
+source = "git+https://github.com/RustCrypto/traits.git#5d3e03178b822f13e85ce46316e1f524ed7921c4"
 dependencies = [
  "crypto-common",
  "inout",
@@ -399,8 +399,9 @@ checksum = "43da5946c66ffcc7745f48db692ffbb10a83bfe0afd96235c5c2a4fb23994929"
 
 [[package]]
 name = "crypto-bigint"
-version = "0.7.0-pre.0"
-source = "git+https://github.com/RustCrypto/crypto-bigint.git#e97beae6593c30b4477b7f29e30e5372cd8204bf"
+version = "0.7.0-pre.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6957fb7344601c8271b03e9d4c7efb46f1dee86553eee20f99e54db0cf53f36e"
 dependencies = [
  "hybrid-array",
  "num-traits",
@@ -413,7 +414,7 @@ dependencies = [
 [[package]]
 name = "crypto-common"
 version = "0.2.0-rc.2"
-source = "git+https://github.com/RustCrypto/traits.git#2dc47f8d1461a2a7a22b68e2afafeb4b59e13420"
+source = "git+https://github.com/RustCrypto/traits.git#5d3e03178b822f13e85ce46316e1f524ed7921c4"
 dependencies = [
  "hybrid-array",
  "rand_core 0.9.3",
@@ -506,7 +507,7 @@ dependencies = [
 [[package]]
 name = "ecdsa"
 version = "0.17.0-pre.9"
-source = "git+https://github.com/RustCrypto/signatures.git#34cd7792c248e36693d617968d38c14d4ab4618a"
+source = "git+https://github.com/baloo/signatures.git?branch=baloo%2Fstd-der-signer#99d3b6433d72bdf5a8e17c0f582f904f27311711"
 dependencies = [
  "der",
  "digest",
@@ -525,7 +526,7 @@ checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 [[package]]
 name = "elliptic-curve"
 version = "0.14.0-rc.1"
-source = "git+https://github.com/RustCrypto/traits.git#2dc47f8d1461a2a7a22b68e2afafeb4b59e13420"
+source = "git+https://github.com/RustCrypto/traits.git#5d3e03178b822f13e85ce46316e1f524ed7921c4"
 dependencies = [
  "base16ct",
  "crypto-bigint",
@@ -903,7 +904,7 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 [[package]]
 name = "p256"
 version = "0.14.0-pre.2"
-source = "git+https://github.com/RustCrypto/elliptic-curves.git#5ecd4718f9ce0ba092bc34edb981d63f75ed74a3"
+source = "git+https://github.com/RustCrypto/elliptic-curves.git#0611cdf1390cfa97243b383e2ceb5a581cb732c5"
 dependencies = [
  "ecdsa",
  "elliptic-curve",
@@ -1036,7 +1037,7 @@ dependencies = [
 [[package]]
 name = "primeorder"
 version = "0.14.0-pre.2"
-source = "git+https://github.com/RustCrypto/elliptic-curves.git#5ecd4718f9ce0ba092bc34edb981d63f75ed74a3"
+source = "git+https://github.com/RustCrypto/elliptic-curves.git#0611cdf1390cfa97243b383e2ceb5a581cb732c5"
 dependencies = [
  "elliptic-curve",
 ]
@@ -1206,7 +1207,7 @@ checksum = "ba39f3699c378cd8970968dcbff9c43159ea4cfbd88d43c00b22f2ef10a435d2"
 [[package]]
 name = "rfc6979"
 version = "0.5.0-pre.4"
-source = "git+https://github.com/RustCrypto/signatures.git#34cd7792c248e36693d617968d38c14d4ab4618a"
+source = "git+https://github.com/RustCrypto/signatures.git#afe73a90c3848169f23da31098ac10116a3cf1e1"
 dependencies = [
  "hmac",
  "subtle",
@@ -1237,7 +1238,7 @@ dependencies = [
 [[package]]
 name = "rsa"
 version = "0.10.0-pre.4"
-source = "git+https://github.com/RustCrypto/RSA.git#cba78063a10fd76d10569653a8372c2af395f414"
+source = "git+https://github.com/baloo/RSA.git?branch=baloo%2Fsignature%2F3#22a4bd91432f09923dbed8327b94bb617a4de9cf"
 dependencies = [
  "const-oid",
  "crypto-bigint",
@@ -1480,8 +1481,8 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "2.3.0-pre.6"
-source = "git+https://github.com/RustCrypto/traits.git#2dc47f8d1461a2a7a22b68e2afafeb4b59e13420"
+version = "3.0.0-pre"
+source = "git+https://github.com/RustCrypto/traits.git#5d3e03178b822f13e85ce46316e1f524ed7921c4"
 dependencies = [
  "digest",
  "rand_core 0.9.3",
diff --git a/Cargo.toml b/Cargo.toml
index 9f7f7875c..ccdb4d315 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,7 +65,7 @@ x509-ocsp = { path = "./x509-ocsp" }
 
 # https://github.com/RustCrypto/signatures/pull/913
 # https://github.com/RustCrypto/signatures/pull/923
-ecdsa   = { git = "https://github.com/RustCrypto/signatures.git" }
+ecdsa   = { git = "https://github.com/baloo/signatures.git", branch = "baloo/std-der-signer" }
 rfc6979 = { git = "https://github.com/RustCrypto/signatures.git" }
 # https://github.com/RustCrypto/key-wraps/pull/34
 # https://github.com/RustCrypto/key-wraps/pull/35
@@ -85,14 +85,13 @@ aead           = { git = "https://github.com/RustCrypto/traits.git" }
 
 # https://github.com/RustCrypto/RSA/pull/478
 # https://github.com/RustCrypto/RSA/pull/504
-rsa = { git = "https://github.com/RustCrypto/RSA.git" }
+rsa = { git = "https://github.com/baloo/RSA.git", branch = "baloo/signature/3" }
 
 # https://github.com/RustCrypto/password-hashes/pull/577
 # https://github.com/RustCrypto/password-hashes/pull/578
 pbkdf2 = { git = "https://github.com/RustCrypto/password-hashes.git" }
 scrypt = { git = "https://github.com/RustCrypto/password-hashes.git" }
 
-crypto-bigint = { git = "https://github.com/RustCrypto/crypto-bigint.git" }
 crypto-primes = { git = "https://github.com/entropyxyz/crypto-primes.git" }
 
 # https://github.com/RustCrypto/elliptic-curves/pull/1125
diff --git a/cms/Cargo.toml b/cms/Cargo.toml
index fe3e68262..dcb9a316d 100644
--- a/cms/Cargo.toml
+++ b/cms/Cargo.toml
@@ -32,7 +32,7 @@ rsa = { version = "=0.10.0-pre.4", optional = true }
 sha1 = { version = "=0.11.0-pre.5", optional = true }
 sha2 = { version = "=0.11.0-pre.5", optional = true }
 sha3 = { version = "=0.11.0-pre.5", optional = true }
-signature = { version = "=2.3.0-pre.6", features = ["digest", "alloc"], optional = true }
+signature = { version = "=3.0.0-pre", features = ["digest", "alloc"], optional = true }
 zeroize = { version = "1.8.1", optional = true }
 
 [dev-dependencies]
@@ -45,7 +45,7 @@ pbkdf2 = "0.13.0-pre.0"
 rand = "0.9"
 rsa = { version = "=0.10.0-pre.4", features = ["sha2"] }
 ecdsa = { version = "=0.17.0-pre.9", features = ["digest", "pem"] }
-p256 = "=0.14.0-pre.2"
+p256 = { version = "=0.14.0-pre.2", features = ["digest"] }
 tokio = { version = "1.43.1", features = ["macros", "rt"] }
 x509-cert = { version = "=0.3.0-pre.0", features = ["pem"] }
 
diff --git a/cms/tests/builder.rs b/cms/tests/builder.rs
index e4e9bba21..ec1de1ff5 100644
--- a/cms/tests/builder.rs
+++ b/cms/tests/builder.rs
@@ -146,7 +146,7 @@ fn test_build_signed_data() {
         .expect("could not add a digest algorithm")
         .add_certificate(CertificateChoices::Certificate(certificate))
         .expect("error adding certificate")
-        .add_signer_info::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature>(
+        .add_signer_info::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature<_>>(
             signer_info_builder_1,
             &signer,
         )
@@ -156,7 +156,7 @@ fn test_build_signed_data() {
             &signer_2,
         )
         .expect("error adding P256 signer info")
-        .add_signer_info_with_rng::<pss::SigningKey<Sha256>, pss::Signature, _>(
+        .add_signer_info_with_rng::<pss::SigningKey<Sha256>, pss::Signature<_>, _>(
             signer_info_builder_3,
             &signer_3,
             &mut OsRng.unwrap_err(),
@@ -393,7 +393,7 @@ fn test_build_pkcs7_scep_pkcsreq() {
         .unwrap()
         .add_certificate(CertificateChoices::Certificate(certificate))
         .unwrap()
-        .add_signer_info::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature>(
+        .add_signer_info::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature<_>>(
             signer_info_builder,
             &signer,
         )
@@ -648,13 +648,13 @@ async fn async_builder() {
     let signed_data_pkcs7 = builder
         .add_digest_algorithm(digest_algorithm)
         .expect("could not add a digest algorithm")
-        .add_signer_info_async::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature>(
+        .add_signer_info_async::<pkcs1v15::SigningKey<Sha256>, rsa::pkcs1v15::Signature<Sha256>>(
             signer_info_builder_1,
             &signer_1,
         )
         .await
         .expect("error adding PKCS1v15 RSA signer info")
-        .add_signer_info_with_rng_async::<pss::SigningKey<Sha256>, pss::Signature, _>(
+        .add_signer_info_with_rng_async::<pss::SigningKey<Sha256>, pss::Signature<_>, _>(
             signer_info_builder_3,
             &signer_3,
             &mut OsRng.unwrap_err(),
diff --git a/x509-cert/Cargo.toml b/x509-cert/Cargo.toml
index b805a02d0..1fdab8f58 100644
--- a/x509-cert/Cargo.toml
+++ b/x509-cert/Cargo.toml
@@ -24,7 +24,7 @@ spki = { version = "0.8.0-rc.0", features = ["alloc"] }
 arbitrary = { version = "1.4", features = ["derive"], optional = true }
 digest = { version = "0.11.0-pre.10", optional = true, default-features = false }
 sha1 = { version = "0.11.0-pre.5", default-features = false, optional = true }
-signature = { version = "=2.3.0-pre.6", features = ["rand_core"], optional = true }
+signature = { version = "=3.0.0-pre", features = ["rand_core"], optional = true }
 tls_codec = { version = "0.4.0", default-features = false, features = ["derive"], optional = true }
 
 [dev-dependencies]
@@ -32,7 +32,7 @@ hex-literal = "1"
 rand = "0.9"
 rsa = { version = "=0.10.0-pre.4", features = ["sha2"] }
 ecdsa = { version = "=0.17.0-pre.9", features = ["digest", "pem"] }
-p256 = "=0.14.0-pre.2"
+p256 = { version = "=0.14.0-pre.2" }
 rstest = "0.25"
 sha2 = { version = "=0.11.0-pre.5", features = ["oid"] }
 tempfile = "3.5.0"
diff --git a/x509-cert/tests/builder.rs b/x509-cert/tests/builder.rs
index ca63adb4e..f9a1b2c11 100644
--- a/x509-cert/tests/builder.rs
+++ b/x509-cert/tests/builder.rs
@@ -212,7 +212,7 @@ fn pss_certificate() {
         .expect("Create certificate");
 
     let certificate = builder
-        .build_with_rng::<_, rsa::pss::Signature, _>(&signer, &mut rand::rng())
+        .build_with_rng::<_, rsa::pss::Signature<_>, _>(&signer, &mut rand::rng())
         .unwrap();
 
     let pem = certificate.to_pem(LineEnding::LF).expect("generate pem");
diff --git a/x509-ocsp/Cargo.toml b/x509-ocsp/Cargo.toml
index f0e26d506..d0cc8d001 100644
--- a/x509-ocsp/Cargo.toml
+++ b/x509-ocsp/Cargo.toml
@@ -24,7 +24,7 @@ x509-cert = { version = "=0.3.0-pre.0", default-features = false }
 # Optional
 digest = { version = "=0.11.0-pre.10", optional = true, default-features = false, features = ["oid"] }
 rand_core = { version = "0.9", optional = true, default-features = false }
-signature = { version = "=2.3.0-pre.6", optional = true, default-features = false, features = ["digest", "rand_core"] }
+signature = { version = "=3.0.0-pre", optional = true, default-features = false, features = ["digest", "rand_core"] }
 
 [dev-dependencies]
 hex-literal = "1"