diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82c9783..b1dac51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -282,9 +282,25 @@ jobs:
           rustup toolchain install stable --profile minimal
           rustup default stable
           rustc -vV | grep -x "host: ${{ matrix.target }}"
+      # On Linux the library is linked against glibc 2.28 (zig as the linker), not the runner's
+      # newer glibc, so it loads on every Linux distribution with glibc 2.28 or newer; the wheel's
+      # platform tag (manylinux_2_28_x86_64) says the same. It is copied to where the native build
+      # would put it, and the step fails if it needs a newer glibc than 2.28.
       - name: Build the binding library
         working-directory: sysml-sdk/abi
-        run: cargo build --release --locked
+        run: |
+          if [ "$RUNNER_OS" = Linux ]; then
+            python -m pip install --quiet ziglang==0.16.0 cargo-zigbuild==0.23.4
+            export CARGO_ZIGBUILD_ZIG_PATH="$(python -c 'import os, ziglang; print(os.path.join(os.path.dirname(ziglang.__file__), "zig"))')"
+            cargo zigbuild --release --locked --target ${{ matrix.target }}.2.28
+            mkdir -p target/release
+            cp target/${{ matrix.target }}/release/libsysmlv2_abi.so target/release/
+            need=$(objdump -T target/release/libsysmlv2_abi.so | grep -o 'GLIBC_[0-9][0-9.]*' | sed 's/GLIBC_//' | sort -uV | tail -1)
+            echo "the binding library needs glibc $need"
+            test "$(printf '%s\n' "$need" 2.28 | sort -V | tail -1)" = 2.28
+          else
+            cargo build --release --locked
+          fi
 
       # The Annex A regression test reads the specification's example model and standard library
       # from the SysML Toolkit's SysML-v2-Release submodule; one runner fetches it.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9850428..4288a4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -119,7 +119,8 @@ A payload, and the SysML Toolkit's JSON export:
 Platforms and packages:
 
 - Java needs `--enable-preview` on JDK 21; from JDK 22 on it does not.
-- The Linux library is built on Ubuntu 24.04; older glibc versions are not tested.
+- The Linux library is linked against glibc 2.28, so it loads on distributions with glibc 2.28 or
+  later (for example RHEL 8, Debian 10, Ubuntu 20.04 and newer); CI tests it on Ubuntu 24.04.
 - The C++ package is tested with GCC on Linux and with Apple Clang on macOS in CI, and with MinGW GCC
   on Windows by hand.
 - On macOS a library downloaded through a web browser is quarantined; remove the attribute with
diff --git a/README.md b/README.md
index af42aca..e42d19e 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ platform, and the standard library. The packages are not on the public registrie
 | Platform | Target | Wheel tag |
 |---|---|---|
 | Windows x64 | `x86_64-pc-windows-msvc` | `win_amd64` |
-| Linux x64 (glibc; built on Ubuntu 24.04) | `x86_64-unknown-linux-gnu` | `linux_x86_64` |
+| Linux x64 (glibc 2.28 or later) | `x86_64-unknown-linux-gnu` | `manylinux_2_28_x86_64` |
 | macOS, Apple silicon (11 or later) | `aarch64-apple-darwin` | `macosx_11_0_arm64` |
 | macOS, Intel (10.12 or later) | `x86_64-apple-darwin` | `macosx_10_12_x86_64` |
 | Anywhere JavaScript runs | `wasm32-unknown-unknown` | (in the npm package) |
diff --git a/examples/python/README.md b/examples/python/README.md
index 8281a15..d6233cc 100644
--- a/examples/python/README.md
+++ b/examples/python/README.md
@@ -16,7 +16,7 @@ A model is read through one of two backends, with the same classes over both:
 Python 3.10 or newer. Download the wheel for your platform from the release and install it:
 
 ```sh
-pip install sysml-0.1.0-py3-none-win_amd64.whl        # or linux_x86_64, macosx_11_0_arm64, macosx_10_12_x86_64
+pip install sysml-0.1.0-py3-none-win_amd64.whl        # or manylinux_2_28_x86_64, macosx_11_0_arm64, macosx_10_12_x86_64
 ```
 
 The wheel carries the binding library; nothing else is needed. The same release has
diff --git a/tools/package.py b/tools/package.py
index 88687d1..b8363ed 100644
--- a/tools/package.py
+++ b/tools/package.py
@@ -50,9 +50,10 @@
 VERSION = tomllib.loads((ROOT / "pyproject.toml").read_text(encoding="utf-8"))["project"]["version"]
 
 # Wheel platform tags. The macOS ones match the deployment targets the libraries are built for
-# (MACOSX_DEPLOYMENT_TARGET in CI, which are also Rust's defaults for these targets).
+# (MACOSX_DEPLOYMENT_TARGET in CI, which are also Rust's defaults for these targets); the x86-64
+# Linux one matches the glibc the library is linked against in CI (2.28).
 PLATFORM_TAGS = {
-    "x86_64-unknown-linux-gnu": "linux_x86_64",
+    "x86_64-unknown-linux-gnu": "manylinux_2_28_x86_64",
     "aarch64-unknown-linux-gnu": "linux_aarch64",
     "aarch64-apple-darwin": "macosx_11_0_arm64",
     "x86_64-apple-darwin": "macosx_10_12_x86_64",