diff --git a/Cargo.lock b/Cargo.lock
index de38a736..97bdeafa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,34 +8,34 @@ version = "0.4.0-pre.1"
 
 [[package]]
 name = "block-buffer"
-version = "0.11.0-rc.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a229bfd78e4827c91b9b95784f69492c1b77c1ab75a45a8a037b139215086f94"
+version = "0.11.0-rc.5"
 dependencies = [
- "hybrid-array 0.3.1",
+ "hex-literal 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hybrid-array",
+ "zeroize 1.8.1",
 ]
 
 [[package]]
 name = "block-buffer"
 version = "0.11.0-rc.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9ef36a6fcdb072aa548f3da057640ec10859eb4e91ddf526ee648d50c76a949"
 dependencies = [
- "hex-literal 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hybrid-array 0.4.1",
- "zeroize 1.8.1",
+ "hybrid-array",
 ]
 
 [[package]]
 name = "block-padding"
 version = "0.4.0-rc.4"
 dependencies = [
- "hybrid-array 0.4.1",
+ "hybrid-array",
 ]
 
 [[package]]
 name = "cfg-if"
-version = "1.0.0"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
 
 [[package]]
 name = "cmov"
@@ -69,27 +69,27 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.2.0-rc.2"
+version = "0.2.0-rc.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "170d71b5b14dec99db7739f6fc7d6ec2db80b78c3acb77db48392ccc3d8a9ea0"
+checksum = "6a8235645834fbc6832939736ce2f2d08192652269e11010a6240f61b908a1c6"
 dependencies = [
- "hybrid-array 0.3.1",
+ "hybrid-array",
 ]
 
 [[package]]
 name = "dbl"
 version = "0.5.0"
 dependencies = [
- "hybrid-array 0.4.1",
+ "hybrid-array",
 ]
 
 [[package]]
 name = "digest"
-version = "0.11.0-pre.10"
+version = "0.11.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c478574b20020306f98d61c8ca3322d762e1ff08117422ac6106438605ea516"
+checksum = "6749b668519cd7149ee3d11286a442a8a8bdc3a9d529605f579777bfccc5a4bc"
 dependencies = [
- "block-buffer 0.11.0-rc.4",
+ "block-buffer 0.11.0-rc.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "const-oid",
  "crypto-common",
 ]
@@ -121,18 +121,9 @@ checksum = "bcaaec4551594c969335c98c903c1397853d4198408ea609190f420500f6be71"
 
 [[package]]
 name = "hybrid-array"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "891d15931895091dea5c47afa5b3c9a01ba634b311919fd4d41388fa0e3d76af"
-dependencies = [
- "typenum",
-]
-
-[[package]]
-name = "hybrid-array"
-version = "0.4.1"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7116c472cf19838450b1d421b4e842569f52b519d640aee9ace1ebcf5b21051"
+checksum = "ed7c10d9cd8b8e0733111482917f4f7e188cf6f57fc8eb0ff9b26a51db9fbd3c"
 dependencies = [
  "typenum",
 ]
@@ -142,7 +133,7 @@ name = "inout"
 version = "0.2.0-rc.6"
 dependencies = [
  "block-padding",
- "hybrid-array 0.4.1",
+ "hybrid-array",
 ]
 
 [[package]]
@@ -153,24 +144,24 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
 [[package]]
 name = "keccak"
-version = "0.2.0-pre.0"
+version = "0.2.0-rc.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7cdd4f0dc5807b9a2b25dd48a3f58e862606fe7bd47f41ecde36e97422d7e90"
+checksum = "3d546793a04a1d3049bd192856f804cfe96356e2cf36b54b4e575155babe9f41"
 dependencies = [
  "cpufeatures 0.2.17",
 ]
 
 [[package]]
 name = "libc"
-version = "0.2.172"
+version = "0.2.176"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
+checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
 
 [[package]]
 name = "memchr"
-version = "2.7.4"
+version = "2.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
 
 [[package]]
 name = "opaque-debug"
@@ -178,9 +169,9 @@ version = "0.4.0-pre"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.95"
+version = "1.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
+checksum = "89ae43fd86e4158d6db51ad8e2b80f313af9cc74f5c0e03ccb87de09998732de"
 dependencies = [
  "unicode-ident",
 ]
@@ -202,18 +193,28 @@ checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 
 [[package]]
 name = "serde"
-version = "1.0.219"
+version = "1.0.226"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dca6411025b24b60bfa7ec1fe1f8e710ac09782dca409ee8237ba74b51295fd"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.226"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "ba2ba63999edb9dac981fb34b3e5c0d111a69b0924e253ed29d83f7c99e966a4"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.226"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "8db53ae22f34573731bafa1db20f04027b2d25e02d8205921b569171699cdb33"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -222,21 +223,22 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.140"
+version = "1.0.145"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
 dependencies = [
  "itoa",
  "memchr",
  "ryu",
  "serde",
+ "serde_core",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.11.0-pre.5"
+version = "0.11.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19b4241d1a56954dce82cecda5c8e9c794eef6f53abe5e5216bac0a0ea71ffa7"
+checksum = "d1e3878ab0f98e35b2df35fe53201d088299b41a6bb63e3e34dada2ac4abd924"
 dependencies = [
  "cfg-if",
  "cpufeatures 0.2.17",
@@ -245,9 +247,9 @@ dependencies = [
 
 [[package]]
 name = "sha3"
-version = "0.11.0-pre.5"
+version = "0.11.0-rc.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bc997d7a5fa67cc1e352b2001124d28edb948b4e7a16567f9b3c1e51952524"
+checksum = "2103ca0e6f4e9505eae906de5e5883e06fc3b2232fb5d6914890c7bbcb62f478"
 dependencies = [
  "digest",
  "keccak",
@@ -255,9 +257,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.100"
+version = "2.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -272,9 +274,9 @@ checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
+checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
 
 [[package]]
 name = "wycheproof2blb"
diff --git a/block-padding/Cargo.toml b/block-padding/Cargo.toml
index 29c3f5eb..1d690ab2 100644
--- a/block-padding/Cargo.toml
+++ b/block-padding/Cargo.toml
@@ -13,4 +13,4 @@ categories = ["cryptography", "no-std"]
 readme = "README.md"
 
 [dependencies]
-hybrid-array = "0.4"
+hybrid-array = "0.4.3"
diff --git a/block-padding/src/lib.rs b/block-padding/src/lib.rs
index da556015..3c6f3658 100644
--- a/block-padding/src/lib.rs
+++ b/block-padding/src/lib.rs
@@ -8,6 +8,7 @@
     html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg",
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg"
 )]
+#![deny(unsafe_code)]
 #![warn(missing_docs)]
 
 pub use hybrid_array as array;
@@ -78,11 +79,8 @@ pub trait Padding {
             (None, PadType::Ambiguous) => 0,
             (None, PadType::Reversible) => return Err(UnpadError),
         };
-        // SAFETY: `res_len` is always smaller or equal to `bs * blocks.len()`
-        Ok(unsafe {
-            let p = blocks.as_ptr() as *const u8;
-            core::slice::from_raw_parts(p, res_len)
-        })
+        let data = Array::slice_as_flattened(blocks);
+        Ok(&data[..res_len])
     }
 }