diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..9fce4a3
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,28 @@
+## The Problem
+
+[ What are you trying to solve? Why are you trying to solve it? ]
+
+## The Solution
+
+[ How are you fixing the problem? High-level explanation. ]
+
+### Changes
+
+[ A more detailed explanation of the solution to guide reviewers. Point out tricky or magic areas. ]
+
+### Planned version bump
+
+- Which: [ `MAJOR`, `MINOR`, `PATCH` ]
+- Why: [ non-breaking bug fix, doc change, test coverage, formatting, debugging, profiling, security fix, internal change, experimental change, non-breaking new functionality, breaking change, etc ]
+
+### Links
+
+* [ Any important other PRs, Issues, PRs, etc? ]
+
+## Notes
+
+[ @mentions for anyone who should be alerted to this PR ]
+
+[ **Please assign reviewers if you want someone specific to review this** ]
+
+[ **Please do not forget to add labels specific to this PR** ]
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d9597e6..fb41fc1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,40 +4,33 @@ on:
   push:
   pull_request:
   workflow_dispatch:
-    # used when called manually.
-  workflow_call:
-    # used when called by _another_ workflow (not when called on this repo!)
 
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust-toolchain:
+          - "1.81" # minimum for this crate
+          - "stable"
+          - "nightly"
     steps:
-      - uses: actions/checkout@v4 # not pinning to commit since this is a GitHub action, which we trust
-      - id: cache-cargo
-        name: Cache Cargo toolchain
-        uses: actions/cache@v4 # not pinning to commit since this is a GitHub action, which we trust
+      - uses: actions/checkout@v4 # not pinning to commit hash since this is a GitHub action, which we trust
+      - uses: actions-rust-lang/setup-rust-toolchain@9d7e65c320fdb52dcd45ffaa68deb6c02c8754d9 # v1.12.0
         with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-release
-      - if: ${{ steps.cache-cargo.outputs.cache-hit != 'true' }}
-        name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1 # not pinning to commit since this is an archived GitHub action, which we trust
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+          toolchain: ${{ matrix.rust-toolchain }}
+          components: rustfmt, clippy
+      - name: Check
+        run: cargo check
       - name: Architecture check
         run: cargo run arch-check
       - name: Architecture check (Optimized)
         run: cargo run --features=optimize_crc32_auto arch-check
-      - name: Format
+      - if: ${{ matrix.rust-toolchain != 'nightly' }}
+        name: Format
         run: cargo fmt -- --check
-      - name: Clippy
+      - if: ${{ matrix.rust-toolchain != 'nightly' }}
+        name: Clippy
         run: cargo clippy
       - name: Test
         run: cargo test
diff --git a/Cargo.lock b/Cargo.lock
index ced1043..a675ed6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 4
+version = 3
 
 [[package]]
 name = "aho-corasick"
@@ -75,9 +75,9 @@ checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
 [[package]]
 name = "bindgen"
-version = "0.71.1"
+version = "0.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f58bf3d7db68cfbac37cfc485a8d711e87e064c3d0fe0435b92f7a407f9d6b3"
+checksum = "f49d8fed880d473ea71efb9bf597651e77201bdd4893efe54c9e5d65ae04ce6f"
 dependencies = [
  "bitflags",
  "cexpr",
@@ -141,9 +141,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.17"
+version = "1.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a"
+checksum = "04da6a0d40b948dfc4fa8f5bbf402b0fc1a64a28dbf7d12ffd683550f2c1b63a"
 dependencies = [
  "jobserver",
  "libc",
@@ -205,18 +205,18 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.34"
+version = "4.5.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e958897981290da2a852763fe9cdb89cd36977a5d729023127095fa94d95e2ff"
+checksum = "eccb054f56cbd38340b380d4a8e69ef1f02f1af43db2f0cc817a4774d80ae071"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.5.34"
+version = "4.5.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83b0f35019843db2160b5bb19ae09b4e6411ac33fc6a712003c33e03090e2489"
+checksum = "efd9466fac8543255d3b1fcad4762c5e116ffe808c8a3043d4263cd4fd4862a2"
 dependencies = [
  "anstream",
  "anstyle",
@@ -253,7 +253,7 @@ checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
 
 [[package]]
 name = "crc-fast"
-version = "1.0.0"
+version = "1.0.1"
 dependencies = [
  "bindgen",
  "cbindgen",
@@ -367,9 +367,9 @@ checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
 [[package]]
 name = "errno"
-version = "0.3.10"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
+checksum = "976dd42dc7e85965fe702eb8164f21f450704bdde31faefd6471dba214cb594e"
 dependencies = [
  "libc",
  "windows-sys",
@@ -411,9 +411,9 @@ checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
 
 [[package]]
 name = "half"
-version = "2.5.0"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7db2ff139bba50379da6aa0766b52fdcb62cb5b263009b09ed58ba604e14bbd1"
+checksum = "459196ed295495a68f7d7fe1d84f6c4b7ff0e21fe3017b2f283c6fac3ad803c9"
 dependencies = [
  "cfg-if",
  "crunchy",
@@ -421,9 +421,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.15.2"
+version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+checksum = "84b26c544d002229e640969970a2e74021aadf6e2f96372b9c58eff97de08eb3"
 
 [[package]]
 name = "heck"
@@ -439,9 +439,9 @@ checksum = "fbd780fe5cc30f81464441920d82ac8740e2e46b29a6fad543ddd075229ce37e"
 
 [[package]]
 name = "indexmap"
-version = "2.8.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
+checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -490,10 +490,11 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
 [[package]]
 name = "jobserver"
-version = "0.1.32"
+version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48d1dbcbbeb6a7fec7e059840aa538bd62aaccf972c7346c4d9d2059312853d0"
+checksum = "38f262f097c174adebe41eb73d66ae9c06b2844fb0da69969647bbddd9b0538a"
 dependencies = [
+ "getrandom",
  "libc",
 ]
 
@@ -509,9 +510,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.171"
+version = "0.2.172"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
 
 [[package]]
 name = "libloading"
@@ -525,9 +526,9 @@ dependencies = [
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe7db12097d22ec582439daf8618b8fdd1a7bef6270e9af3b1ebcd30893cf413"
+checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
 
 [[package]]
 name = "log"
@@ -617,9 +618,9 @@ dependencies = [
 
 [[package]]
 name = "prettyplease"
-version = "0.2.31"
+version = "0.2.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5316f57387668042f561aae71480de936257848f9c43ce528e311d89a07cadeb"
+checksum = "664ec5419c51e34154eec046ebcba56312d5a2fc3b09a06da188e1ad21afadf6"
 dependencies = [
  "proc-macro2",
  "syn",
@@ -627,9 +628,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.94"
+version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31971752e70b8b2686d7e46ec17fb38dad4051d94024c88df49b667caea9c84"
+checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
 dependencies = [
  "unicode-ident",
 ]
@@ -651,13 +652,12 @@ checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
 
 [[package]]
 name = "rand"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
+checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
 dependencies = [
  "rand_chacha",
  "rand_core",
- "zerocopy",
 ]
 
 [[package]]
@@ -730,15 +730,15 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
 [[package]]
 name = "rustc-hash"
-version = "2.1.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustix"
-version = "1.0.3"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e56a18552996ac8d29ecc3b190b4fdbb2d91ca4ec396de7bbffaf43f3d637e96"
+checksum = "91b73dab8b4bf63c9dbf81b3d2d4ae6e54033e397c3051a3baac27f7e4e5607e"
 dependencies = [
  "bitflags",
  "errno",
@@ -823,9 +823,9 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "syn"
-version = "2.0.100"
+version = "2.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -857,9 +857,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.20"
+version = "0.8.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd87a5cdd6ffab733b2f74bc4fd7ee5fff6634124999ac278c35fc78c6120148"
+checksum = "05ae329d1f08c4d17a59bed7ff5b5a769d062e64a62d34a3261b219e62cd5aae"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -869,26 +869,33 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.8"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+checksum = "3da5db5a963e24bc68be8b17b6fa82814bb22ee8660f192bb182771d498f09a3"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.22.24"
+version = "0.22.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b4795ff5edd201c7cd6dca065ae59972ce77d1b80fa0a84d94950ece7d1474"
+checksum = "310068873db2c5b3e7659d2cc35d21855dbafa50d1ce336397c666e3cb08137e"
 dependencies = [
  "indexmap",
  "serde",
  "serde_spanned",
  "toml_datetime",
+ "toml_write",
  "winnow",
 ]
 
+[[package]]
+name = "toml_write"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfb942dfe1d8e29a7ee7fcbde5bd2b9a25fb89aa70caea2eba3bee836ff41076"
+
 [[package]]
 name = "typenum"
 version = "1.18.0"
@@ -1084,9 +1091,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "winnow"
-version = "0.7.4"
+version = "0.7.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e97b544156e9bebe1a0ffbc03484fc1ffe3100cbce3ffb17eac35f7cdd7ab36"
+checksum = "6cb8234a863ea0e8cd7284fcdd4f145233eb00fee02bbdd9861aec44e6477bc5"
 dependencies = [
  "memchr",
 ]
@@ -1102,18 +1109,18 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2586fea28e186957ef732a5f8b3be2da217d65c5969d4b1e17f973ebbe876879"
+checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
+checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 4e87487..df38e3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,17 +1,17 @@
 [package]
 name = "crc-fast"
-version = "1.0.0"
+version = "1.0.1"
 edition = "2021"
 authors = ["Don MacAskill"]
 license = "MIT OR Apache-2.0"
 keywords = ["crc", "checksum", "simd", "accelerated", "fast"]
 categories = ["algorithms", "encoding", "hardware-support"]
 repository = "https://github.com/awesomized/crc-fast-rust"
-description = "Hardware-accelerated CRC-32 and CRC-64 checksum calculation using SIMD"
+description = "Fast, hardware-accelerated CRC-32 and CRC-64 checksum calculation using SIMD"
 readme = "README.md"
 
 # 1.69.0 added VPCLMULQDQ x86 detection support, 1.70.0 added LLVM 16 which supports PMULL2 on Aarch64
-rust-version = "1.70"
+rust-version = "1.81"
 
 [lib]
 name = "crc_fast"
@@ -28,7 +28,7 @@ regex = "1.11.1"
 [dev-dependencies]
 criterion = "0.5"
 cbindgen = "0.28"
-bindgen = "0.71"
+bindgen = "0.70" # 0.70 is the last version that supports Rust 1.81 due to 'unsafe extern' blocks
 
 [build-dependencies]
 cc = { version = "1.2", features = ["parallel"] }
diff --git a/src/bindings/crc32_iscsi.rs b/src/bindings/crc32_iscsi.rs
index 8eb61f4..848d748 100644
--- a/src/bindings/crc32_iscsi.rs
+++ b/src/bindings/crc32_iscsi.rs
@@ -1,13 +1,13 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.70.1 */
 
-unsafe extern "C" {
+extern "C" {
     pub static ISCSI_TARGET: *const ::std::os::raw::c_char;
 }
-unsafe extern "C" {
+extern "C" {
     #[doc = " Gets the target build properties (CPU architecture and fine-tuning parameters) for this implementation."]
     pub fn get_iscsi_target() -> *const ::std::os::raw::c_char;
 }
-unsafe extern "C" {
+extern "C" {
     #[doc = " Calculate CRC-32/ISCSI checksum using hardware acceleration\n\n @param crc0 Initial CRC value (typically 0)\n @param buf Pointer to input data buffer\n @param len Length of input data in bytes\n\n @return Calculated CRC-32/ISCSI checksum"]
     pub fn crc32_iscsi_impl(crc0: u32, buf: *const ::std::os::raw::c_char, len: usize) -> u32;
 }
diff --git a/src/bindings/crc32_iso_hdlc.rs b/src/bindings/crc32_iso_hdlc.rs
index 2df2a21..25de98d 100644
--- a/src/bindings/crc32_iso_hdlc.rs
+++ b/src/bindings/crc32_iso_hdlc.rs
@@ -1,13 +1,13 @@
-/* automatically generated by rust-bindgen 0.71.1 */
+/* automatically generated by rust-bindgen 0.70.1 */
 
-unsafe extern "C" {
+extern "C" {
     pub static ISO_HDLC_TARGET: *const ::std::os::raw::c_char;
 }
-unsafe extern "C" {
+extern "C" {
     #[doc = " Gets the target build properties (CPU architecture and fine-tuning parameters) for this implementation."]
     pub fn get_iso_hdlc_target() -> *const ::std::os::raw::c_char;
 }
-unsafe extern "C" {
+extern "C" {
     #[doc = " Calculate CRC-32/ISO_HDLC checksum using hardware acceleration\n\n @param crc0 Initial CRC value (typically 0)\n @param buf Pointer to input data buffer\n @param len Length of input data in bytes\n\n @return Calculated CRC-32/ISO_HDLC checksum"]
     pub fn crc32_iso_hdlc_impl(crc0: u32, buf: *const ::std::os::raw::c_char, len: usize) -> u32;
 }