diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 529a77bb1..1e149dc65 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -49,6 +49,7 @@ jobs:
         - 'samd11'
         - 'samd21'
         - 'samd51'
+        - 'saml21'
         - 'saml22'
         - 'stm32f0'
         - 'stm32f4'