diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a1762b..d11365c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  # Build the app on all supported platforms
+  # Build the app on all supported platforms, at least for the time being
   build:
     strategy:
       matrix:
@@ -24,6 +24,10 @@ jobs:
           host: ubuntu-latest
           target: x86_64-unknown-linux-musl
           rust: stable
+        - build: aarch64-musl
+          host: ubuntu-latest
+          target: aarch64-unknown-linux-musl
+          rust: stable
     runs-on: ${{ matrix.host }}
     steps:
     - uses: actions/checkout@v4
@@ -31,17 +35,25 @@ jobs:
       uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{ matrix.rust }}
+        targets: ${{ matrix.target }}
+    - uses: taiki-e/install-action@v2
+      with:
+        tool: cross
     #- name: Set minimal profile (Windows only)
     #  if: matrix.host == 'windows-latest'
     #  run: rustup set profile minimal
     - uses: Swatinem/rust-cache@v2
       with:
-        key: "${{matrix.build}}"
+        key: "${{ matrix.build }}"
     - name: install packages (ubuntu)
       if: startsWith(matrix.host, 'ubuntu')
       run: scripts/install-ubuntu-packages
     - name: Build
-      run: cargo build --locked
+      run: cross build --locked --target ${{ matrix.target }}
+    - uses: actions/upload-artifact@v4
+      with:
+        name: qcp-bin-${{ matrix.target }}
+        path: target/${{ matrix.target }}/debug/qcp
 
   # We only need to run the checks on a single platform
   checks:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e3e8d3c..7454bc0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,10 +3,13 @@ name: release
 on:
   release:
     types: [published]
-  # useful for testing
+  # running on push is sometimes useful for testing; also enable WORKFLOW_TEST
   #push:
   #  branches:
-  #    - misc/ci-auto-release
+  #    - misc/build-aarch64
+
+env:
+  WORKFLOW_TEST: false
 
 permissions:
   contents: write
@@ -20,6 +23,10 @@ jobs:
           host: ubuntu-latest
           target: x86_64-unknown-linux-musl
           rust: stable
+        - build: aarch64-musl
+          host: ubuntu-latest
+          target: aarch64-unknown-linux-musl
+          rust: stable
     runs-on: ${{ matrix.host }}
     steps:
     - uses: actions/checkout@v4
@@ -27,6 +34,10 @@ jobs:
       uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{ matrix.rust }}
+        targets: ${{ matrix.target }}
+    - uses: taiki-e/install-action@v2
+      with:
+        tool: cross
     - uses: Swatinem/rust-cache@v2
       with:
         key: "${{matrix.build}}"
@@ -43,9 +54,9 @@ jobs:
         leading-dir: true
         tar: unix
         zip: windows
-        # dry_run: true # when testing the workflow
+        dry_run: ${{ env.WORKFLOW_TEST }}
     # Uploading the artifact is useful when testing the workflow in dry-run mode
     - uses: actions/upload-artifact@v4
       with:
-        name: binary-${{ matrix.target }}
+        name: qcp-tarball-${{ matrix.target }}
         path: ${{ steps.build.outputs.archive }}.tar.gz
diff --git a/Cargo.toml b/Cargo.toml
index 89550d7..98bd1f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -88,3 +88,5 @@ unescaped_backticks = "deny"
 
 [package.metadata.cross.target.x86_64-unknown-linux-musl]
 pre-build = [ "apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install capnproto" ]
+[package.metadata.cross.target.aarch64-unknown-linux-musl]
+pre-build = [ "apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install capnproto" ]
diff --git a/README.md b/README.md
index ee252c8..340e35d 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,8 @@ high-performance remote file copy utility for long-distance internet connections
 
 #### Platform support status
 
-- Well tested: Debian and Ubuntu using OpenSSH
-- Tested: Ubuntu on WSL
+- Well tested: Debian and Ubuntu on x86_64, using OpenSSH
+- Tested: Ubuntu on WSL; aarch64 (Raspbian)
 - Untested: OSX/BSD family
 - Not currently supported: Windows
 
@@ -26,6 +26,17 @@ high-performance remote file copy utility for long-distance internet connections
 * Install the `qcp` binary on both machines. It needs to be in your `PATH` on the remote machine.
 * Run `qcp --help-buffers` and follow its instructions.
 
+### Installing pre-built binaries
+
+These can be found on the [latest release](https://github.com/crazyscot/qcp/releases/latest).
+
+* Linux x86_64: x86_64-unknown-linux-musl
+* Linux aarch64: aarch64-unknown-linux-musl
+
+The binaries are statically linked. Linux builds should work on all recent distributions, as long as you have selected the correct CPU architecture.
+
+### Installation from source
+
 Install it from crates.io using `cargo`:
 
 ```bash