diff --git a/Cargo.lock b/Cargo.lock
index 4bad827..97bdb73 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -147,9 +147,9 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "chacha20"
-version = "0.10.0-rc.9"
+version = "0.10.0-rc.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c81d916c6ae06736ec667b51f95ee5ff660a75f4ea6ce1bd932c942365c0ea43"
+checksum = "c536927023d1c432e6e23a25ef45f6756094eac2ab460db5fb17a772acdfd312"
 dependencies = [
  "cfg-if",
  "cipher",
@@ -160,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.5.0-rc.6"
+version = "0.5.0-rc.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba4d87abf4032a6d927f84b71af5086128a3349b929b4501c51a0fe0981a937"
+checksum = "9002c8edb9b1e21938663da3489c9c4403bba2393997fb2ecbd401386c0e71dc"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -208,9 +208,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.2.0-rc.13"
+version = "0.2.0-rc.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7722afd27468475c9b6063dc03a57ef2ca833816981619f8ebe64d38d207eef"
+checksum = "6f8441110cea75afde0b89a8d796e2bc67b23432f5a9566cb15d9d365d91a2b0"
 dependencies = [
  "hybrid-array",
  "rand_core",
@@ -594,9 +594,9 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.10.0-rc-6"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70765ff7112b0fb2d272d24d9a2f907fc206211304328fe58b2db15a5649ef28"
+checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
 
 [[package]]
 name = "rfc6979"
diff --git a/ssh-cipher/Cargo.toml b/ssh-cipher/Cargo.toml
index 1e979df..2a0fe72 100644
--- a/ssh-cipher/Cargo.toml
+++ b/ssh-cipher/Cargo.toml
@@ -28,7 +28,7 @@ aes = { version = "0.9.0-rc.2", optional = true, default-features = false }
 aes-gcm = { version = "0.11.0-rc.2", optional = true, default-features = false, features = ["aes"] }
 cbc = { version = "0.2.0-rc.2", optional = true }
 ctr = { version = "0.10.0-rc.2", optional = true, default-features = false }
-chacha20 = { version = "0.10.0-rc.9", optional = true, default-features = false, features = ["cipher", "legacy"] }
+chacha20 = { version = "0.10.0-rc.10", optional = true, default-features = false, features = ["cipher", "legacy"] }
 des = { version = "0.9.0-rc.2", optional = true, default-features = false }
 poly1305 = { version = "0.9.0-rc.3", optional = true, default-features = false }
 subtle = { version = "2", optional = true, default-features = false }
diff --git a/ssh-key/Cargo.toml b/ssh-key/Cargo.toml
index 23feee8..eeacf00 100644
--- a/ssh-key/Cargo.toml
+++ b/ssh-key/Cargo.toml
@@ -53,7 +53,7 @@ sha1 = { version = "0.11.0-rc.4", optional = true, default-features = false, fea
 
 [dev-dependencies]
 hex-literal = "1"
-chacha20 = { version = "0.10.0-rc.9", features = ["rng"] }
+chacha20 = { version = "0.10.0-rc.10", features = ["rng"] }
 
 [features]
 default = ["ecdsa", "rand_core", "std"]