diff --git a/Cargo.lock b/Cargo.lock
index b24ef832..981fc718 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,7 +16,7 @@ name = "ascon-hash"
 version = "0.3.0-pre"
 dependencies = [
  "ascon",
- "digest",
+ "digest 0.11.0-pre.8",
  "hex",
  "hex-literal",
  "spectral",
@@ -33,7 +33,7 @@ name = "belt-hash"
 version = "0.2.0-pre.3"
 dependencies = [
  "belt-block",
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -41,7 +41,7 @@ dependencies = [
 name = "blake2"
 version = "0.11.0-pre.3"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -51,13 +51,22 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "847495c209977a90e8aad588b959d0ca9f5dc228096d29a6bd3defd53f35eaec"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.11.0-pre.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ded684142010808eb980d9974ef794da2bcf97d13396143b1515e9f0fb4a10e"
 dependencies = [
- "crypto-common",
+ "crypto-common 0.2.0-pre.5",
  "zeroize",
 ]
 
@@ -67,6 +76,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
 [[package]]
 name = "const-oid"
 version = "0.10.0-pre.2"
@@ -82,6 +97,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.2.0-pre.5"
@@ -93,6 +118,18 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "blobby",
+ "block-buffer 0.10.4",
+ "const-oid 0.9.6",
+ "crypto-common 0.1.6",
+]
+
 [[package]]
 name = "digest"
 version = "0.11.0-pre.8"
@@ -100,9 +137,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "065d93ead7c220b85d5b4be4795d8398eac4ff68b5ee63895de0a3c1fb6edf25"
 dependencies = [
  "blobby",
- "block-buffer",
- "const-oid",
- "crypto-common",
+ "block-buffer 0.11.0-pre.5",
+ "const-oid 0.10.0-pre.2",
+ "crypto-common 0.2.0-pre.5",
  "subtle",
  "zeroize",
 ]
@@ -111,11 +148,21 @@ dependencies = [
 name = "fsb"
 version = "0.2.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
  "whirlpool",
 ]
 
+[[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 = "0.2.12"
@@ -131,7 +178,7 @@ dependencies = [
 name = "gost94"
 version = "0.11.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -139,7 +186,7 @@ dependencies = [
 name = "groestl"
 version = "0.11.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -168,7 +215,7 @@ dependencies = [
 name = "jh"
 version = "0.2.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
  "ppv-lite86",
 ]
@@ -177,7 +224,7 @@ dependencies = [
 name = "k12"
 version = "0.4.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
  "sha3",
 ]
@@ -202,7 +249,7 @@ name = "md-5"
 version = "0.11.0-pre.3"
 dependencies = [
  "cfg-if",
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -210,7 +257,7 @@ dependencies = [
 name = "md2"
 version = "0.11.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -218,7 +265,7 @@ dependencies = [
 name = "md4"
 version = "0.11.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -241,27 +288,38 @@ dependencies = [
 name = "ripemd"
 version = "0.2.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "sha1"
 version = "0.11.0-pre.3"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
 [[package]]
 name = "sha1-checked"
-version = "0.11.0"
+version = "0.10.0"
 dependencies = [
- "digest",
+ "digest 0.10.7",
  "hex-literal",
- "sha1",
+ "sha1 0.10.6",
 ]
 
 [[package]]
@@ -270,7 +328,7 @@ version = "0.11.0-pre.3"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -278,7 +336,7 @@ dependencies = [
 name = "sha3"
 version = "0.11.0-pre.3"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
  "keccak",
 ]
@@ -287,7 +345,7 @@ dependencies = [
 name = "shabal"
 version = "0.5.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -295,7 +353,7 @@ dependencies = [
 name = "skein"
 version = "0.2.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
  "threefish",
 ]
@@ -304,7 +362,7 @@ dependencies = [
 name = "sm3"
 version = "0.5.0-pre.3"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -318,7 +376,7 @@ checksum = "ae3c15181f4b14e52eeaac3efaeec4d2764716ce9c86da0c934c3e318649c5ba"
 name = "streebog"
 version = "0.11.0-pre.3"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -341,7 +399,7 @@ dependencies = [
 name = "tiger"
 version = "0.3.0-pre"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
@@ -351,6 +409,12 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -361,7 +425,7 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 name = "whirlpool"
 version = "0.11.0-pre.2"
 dependencies = [
- "digest",
+ "digest 0.11.0-pre.8",
  "hex-literal",
 ]
 
diff --git a/sha1-checked/Cargo.toml b/sha1-checked/Cargo.toml
index 2387b124..800dbc52 100644
--- a/sha1-checked/Cargo.toml
+++ b/sha1-checked/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sha1-checked"
-version = "0.11.0"
+version = "0.10.0"
 description = "SHA-1 hash function with collision detection"
 authors = ["RustCrypto Developers"]
 license = "MIT OR Apache-2.0"
@@ -13,18 +13,18 @@ categories = ["cryptography", "no-std"]
 rust-version = "1.72"
 
 [dependencies]
-digest = "=0.11.0-pre.8"
-sha1 = { version = "=0.11.0-pre.3", default-features = false, path = "../sha1" }
+digest = "0.10.7"
+sha1 = { version = "0.10.6", default-features = false, features = ["compress"] }
 
 [dev-dependencies]
-digest = { version = "=0.11.0-pre.8", features = ["dev"] }
+digest = { version = "0.10.7", features = ["dev"] }
 hex-literal = "0.4"
 
 [features]
 default = ["oid", "std"]
 std = ["digest/std", "sha1/std"]
 oid = ["digest/oid", "sha1/oid"] # Enable OID support
-zeroize = ["digest/zeroize", "sha1/zeroize"]
+zeroize = []
 
 
 [package.metadata.docs.rs]
diff --git a/sha1-checked/src/lib.rs b/sha1-checked/src/lib.rs
index 0ba048d3..39e11965 100644
--- a/sha1-checked/src/lib.rs
+++ b/sha1-checked/src/lib.rs
@@ -29,7 +29,6 @@ extern crate std;
 #[cfg(feature = "zeroize")]
 use digest::zeroize::{Zeroize, ZeroizeOnDrop};
 use digest::{
-    array::Array,
     block_buffer::{BlockBuffer, Eager},
     core_api::BlockSizeUser,
     typenum::{Unsigned, U20, U64},
@@ -115,7 +114,7 @@ impl Sha1 {
             compress::finalize(h, bs * self.block_len, last_block, ctx);
         } else {
             let bit_len = 8 * (buffer.get_pos() as u64 + bs * self.block_len);
-            buffer.len64_padding_be(bit_len, |b| sha1::compress(h, from_ref(&b.0)));
+            buffer.len64_padding_be(bit_len, |b| sha1::compress(h, from_ref(b)));
         }
 
         for (chunk, v) in out.chunks_exact_mut(4).zip(h.iter()) {
@@ -181,9 +180,11 @@ impl Update for Sha1 {
         } = self;
         buffer.digest_blocks(input, |blocks| {
             self.block_len += blocks.len() as u64;
-            let blocks = Array::cast_slice_to_core(blocks);
-
             if let Some(ref mut ctx) = detection {
+                // SAFETY: GenericArray<u8, U64> and [u8; 64] have
+                // exactly the same memory layout
+                let blocks: &[[u8; BLOCK_SIZE]] =
+                    unsafe { &*(blocks as *const _ as *const [[u8; BLOCK_SIZE]]) };
                 compress::compress(h, ctx, blocks);
             } else {
                 sha1::compress(h, blocks);
diff --git a/sha1-checked/tests/mod.rs b/sha1-checked/tests/mod.rs
index 7ee0a57f..bd31f12e 100644
--- a/sha1-checked/tests/mod.rs
+++ b/sha1-checked/tests/mod.rs
@@ -9,7 +9,7 @@ fn sha1_rand() {
     let mut h = Sha1::new();
     feed_rand_16mib(&mut h);
     assert_eq!(
-        h.finalize(),
+        &h.finalize()[..],
         hex!("7e565a25a8b123e9881addbcedcd927b23377a78"),
     );
 }
@@ -19,7 +19,7 @@ fn sha1_collision_rand() {
     let mut h = Sha1::new();
     feed_rand_16mib(&mut h);
     assert_eq!(
-        h.finalize(),
+        &h.finalize()[..],
         hex!("7e565a25a8b123e9881addbcedcd927b23377a78"),
     );
 }