diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa7a69e9a..8310765a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -108,8 +108,11 @@ jobs:
   platforms:
     strategy:
       matrix:
-        arch: [ "amd64", "arm64" ]
+        arch: [ "amd64", "arm64", "arm" ]
         os: [ "linux", "freebsd", "darwin" ]
+        exclude:
+          - arch: "arm"
+            os: "darwin"
     name: platforms
     runs-on: ubuntu-latest
     steps:
diff --git a/README.md b/README.md
index a196d9d44..f5674f590 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ This library has been tested or deployed on the following operating systems and
 | Linux            | amd64        | ✅                | ✅ | Check GitHub Actions of this project.                                                                                          |
 | Linux            | s390x        | ✅                | ✅ | A daily CI runs on an s390x VM, supported by the [IBM Z and LinuxONE Community](https://www.ibm.com/community/z/open-source/). |
 | Linux            | arm64        | ✅                | ❌ | Deployed in a production environment of a user.                                                                                |
+| Linux            | arm          | ✅                | ❌ | A test in CI to make sure builds for 32-bits platforms work.                                                                   |
 | FreeBSD          | amd64        | ✅                | ❌ | Sporadically tested by developers.                                                                                             |
 
 Other platforms supported by Go may also work, but they have not been verified. Feel free to report your test results.