diff --git a/.github/workflows/Build.yaml b/.github/workflows/Build.yaml
index 54dbcb252..7c828bebc 100644
--- a/.github/workflows/Build.yaml
+++ b/.github/workflows/Build.yaml
@@ -64,7 +64,7 @@ jobs:
     timeout-minutes: 55
     strategy:
       matrix:
-        api-level: [23, 26, 30]
+        api-level: [21, 26, 30]
 
     steps:
       - name: Checkout