diff --git a/Cargo.lock b/Cargo.lock
index 4336e65c..20de031f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -306,9 +306,9 @@ dependencies = [
 
 [[package]]
 name = "ecdsa"
-version = "0.17.0-rc.4"
+version = "0.17.0-rc.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a71089a4626a0efab7561890b599f7c6c9138c0d02b5c2739a8c07ef87101270"
+checksum = "112839e868b3376c2066506d42331023165d687a7ed38b2ed77f28763d9a7742"
 dependencies = [
  "der",
  "digest",
@@ -750,9 +750,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "3.0.0-rc.1"
+version = "3.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8852cecbd17ba45978bbbe43061ebe36a2ae376058c5c172e09f72888f8f7de"
+checksum = "4835c3b5ecb10171941a4998a95a3a76ecac1c5ae8e6954f2ad030acd1c7e8ab"
 dependencies = [
  "digest",
  "rand_core",
diff --git a/ssh-key/Cargo.toml b/ssh-key/Cargo.toml
index 96c374c7..fc93317e 100644
--- a/ssh-key/Cargo.toml
+++ b/ssh-key/Cargo.toml
@@ -21,7 +21,7 @@ rust-version = "1.85"
 cipher = { package = "ssh-cipher", version = "0.3.0-rc.2", features = ["zeroize"] }
 encoding = { package = "ssh-encoding", version = "0.3.0-rc.1", features = ["base64", "digest", "pem", "subtle", "zeroize"] }
 sha2 = { version = "0.11.0-rc.0", default-features = false }
-signature = { version = "3.0.0-rc.1", default-features = false }
+signature = { version = "3.0.0-rc.2", default-features = false }
 subtle = { version = "2", default-features = false }
 zeroize = { version = "1", default-features = false }