diff --git a/Cargo.lock b/Cargo.lock
index 578a161..ee50232 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,12 +4,12 @@ version = 4
 
 [[package]]
 name = "aead"
-version = "0.5.2"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+checksum = "1973cfbc1a2daf9cf550e74e1f088c28e7f7d8c1e1418fb6c9dc5184b7e84c99"
 dependencies = [
- "crypto-common 0.1.7",
- "generic-array",
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
@@ -99,26 +99,25 @@ checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
 [[package]]
 name = "chacha20"
-version = "0.9.1"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3613f74bd2eac03dad61bd53dbe620703d4371614fe0bc3b9f04dd36fe4e818"
+checksum = "d524456ba66e72eb8b115ff89e01e497f8e6d11d78b70b1aa13c0fbd97540a81"
 dependencies = [
  "cfg-if",
  "cipher",
- "cpufeatures 0.2.17",
+ "cpufeatures 0.3.0",
 ]
 
 [[package]]
 name = "chacha20poly1305"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10cd79432192d1c0f4e1a0fef9527696cc039165d729fb41b3f4f4f354c2dc35"
+checksum = "9b89e1c441e926b9c82a8d023f6e1b7ae0adcfaa7d621814e4d60789bac751cb"
 dependencies = [
  "aead",
  "chacha20",
  "cipher",
  "poly1305",
- "zeroize",
 ]
 
 [[package]]
@@ -150,13 +149,13 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.4.4"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+checksum = "e8cf2a2c93cd704877c0858356ed03480ff301ee950b43f1cbe4573b088bfa6c"
 dependencies = [
- "crypto-common 0.1.7",
+ "block-buffer",
+ "crypto-common",
  "inout",
- "zeroize",
 ]
 
 [[package]]
@@ -201,23 +200,13 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
 
-[[package]]
-name = "crypto-common"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
-dependencies = [
- "generic-array",
- "rand_core 0.6.4",
- "typenum",
-]
-
 [[package]]
 name = "crypto-common"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce6e4c961d6cd6c9a86db418387425e8bdeaf05b3c8bc1411e6dca4c252f1453"
 dependencies = [
+ "getrandom 0.4.3",
  "hybrid-array",
  "rand_core 0.10.1",
 ]
@@ -275,7 +264,7 @@ checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
 dependencies = [
  "block-buffer",
  "const-oid",
- "crypto-common 0.2.2",
+ "crypto-common",
  "ctutils",
  "zeroize",
 ]
@@ -320,16 +309,6 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.17"
@@ -362,6 +341,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "r-efi 6.0.0",
+ "rand_core 0.10.1",
 ]
 
 [[package]]
@@ -440,11 +420,11 @@ dependencies = [
 
 [[package]]
 name = "inout"
-version = "0.1.4"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "879f10e63c20629ecabbb64a8010319738c66a5cd0c29b02d63d272b03751d01"
+checksum = "4250ce6452e92010fdf7268ccc5d14faa80bb12fc741938534c58f16804e03c7"
 dependencies = [
- "generic-array",
+ "hybrid-array",
 ]
 
 [[package]]
@@ -469,7 +449,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "01737161ba802849cfd486b5bd209d38ba4943494c249a8126005170c7621edd"
 dependencies = [
- "crypto-common 0.2.2",
+ "crypto-common",
  "rand_core 0.10.1",
 ]
 
@@ -533,12 +513,6 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
-[[package]]
-name = "opaque-debug"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
-
 [[package]]
 name = "pkcs8"
 version = "0.11.0"
@@ -551,12 +525,11 @@ dependencies = [
 
 [[package]]
 name = "poly1305"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8159bd90725d2df49889a078b54f4f79e87f1f8a8444194cdca81d38f5393abf"
+checksum = "6e2d0073b297041425c7c3df6eb4792d598a15323fe63346852b092eca02904c"
 dependencies = [
- "cpufeatures 0.2.17",
- "opaque-debug",
+ "cpufeatures 0.3.0",
  "universal-hash",
 ]
 
@@ -959,20 +932,14 @@ checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 
 [[package]]
 name = "universal-hash"
-version = "0.5.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
+checksum = "f4987bdc12753382e0bec4a65c50738ffaabc998b9cdd1f952fb5f39b0048a96"
 dependencies = [
- "crypto-common 0.1.7",
- "subtle",
+ "crypto-common",
+ "ctutils",
 ]
 
-[[package]]
-name = "version_check"
-version = "0.9.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
-
 [[package]]
 name = "wait-timeout"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index 43b8187..eb81de4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,7 +85,7 @@ sha3 = { version = "0.11", features = ["zeroize"], optional = true }
 # leaf `Drop` impls are the mechanism.
 sha2 = { version = "0.11", features = ["zeroize"], optional = true }
 hkdf = { version = "0.13", optional = true }
-chacha20poly1305 = { version = "0.10", optional = true }
+chacha20poly1305 = { version = "0.11", optional = true }
 # WHY: `rotate::PendingRotation::begin` is this crate's first *direct*
 # secret-vs-secret comparison (the new epoch's content key against the one
 # it replaces) -- every prior comparison either operates on public data