diff --git a/.github/workflows/mbed.yaml b/.github/workflows/mbed.yaml
index 5d7a57b7d..01f35ed30 100644
--- a/.github/workflows/mbed.yaml
+++ b/.github/workflows/mbed.yaml
@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-22.04]
 
     steps:
       - uses: actions/checkout@v4