diff --git a/README.md b/README.md
index 6417517b..888ca533 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Multicore tests
 [![macOS-ARM64 5.0.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-500.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-500.yml)
 [![Linux 5.0.0-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-bytecode.yml)
 [![Linux 5.0.0-debug](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-debug.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-debug.yml)
+[![Linux 5.0.0-musl](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-musl.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-musl.yml)
 [![Linux 32-bit 5.0.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-32bit.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-500-32bit.yml)
 [![MinGW 5.0.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-500.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-500.yml)
 [![MinGW 5.0.0-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-500-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-500-bytecode.yml)
@@ -17,6 +18,7 @@ Multicore tests
 [![macOS-ARM64 5.1.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-51x.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-51x.yml)
 [![Linux 5.1.0-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-bytecode.yml)
 [![Linux 5.1.0-debug](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-debug.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-debug.yml)
+[![Linux 5.1.0-musl](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-musl.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-musl.yml)
 [![Linux 32-bit 5.1.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-32bit.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-32bit.yml)
 [![Linux FP 5.1.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-fp.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-51x-fp.yml)
 [![MinGW 5.1.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-51x.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-51x.yml)
@@ -28,6 +30,7 @@ Multicore tests
 [![macOS-ARM64 5.2.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-520.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-520.yml)
 [![Linux 5.2.0-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-bytecode.yml)
 [![Linux 5.2.0-debug](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-debug.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-debug.yml)
+[![Linux 5.2.0-musl](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-musl.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-musl.yml)
 [![Linux 32-bit 5.2.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-32bit.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-32bit.yml)
 [![Linux FP 5.2.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-fp.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-520-fp.yml)
 [![MinGW 5.2.0](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-520.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-520.yml)
@@ -39,6 +42,7 @@ Multicore tests
 [![macOS-ARM64 5.3.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-530-trunk.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-530-trunk.yml)
 [![Linux 5.3.0+trunk-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-bytecode.yml)
 [![Linux 5.3.0+trunk-debug](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-debug.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-debug.yml)
+[![Linux 5.3.0+trunk-musl](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-musl.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-musl.yml)
 [![Linux 32-bit 5.3.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-32bit.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-32bit.yml)
 [![Linux FP 5.3.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-fp.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-530-trunk-fp.yml)
 [![MinGW 5.3.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-530-trunk.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-530-trunk.yml)
@@ -52,6 +56,7 @@ Multicore tests
 [![macOS-ARM64 5.4.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-540-trunk.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/macosx-arm64-540-trunk.yml)
 [![Linux 5.4.0+trunk-bytecode](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-bytecode.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-bytecode.yml)
 [![Linux 5.4.0+trunk-debug](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-debug.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-debug.yml)
+[![Linux 5.4.0+trunk-musl](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-musl.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-musl.yml)
 [![Linux 32-bit 5.4.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-32bit.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-32bit.yml)
 [![Linux FP 5.4.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-fp.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/linux-540-trunk-fp.yml)
 [![MinGW 5.4.0+trunk](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-540-trunk.yml/badge.svg)](https://github.com/ocaml-multicore/multicoretests/actions/workflows/mingw-540-trunk.yml)