diff --git a/.github/workflows/pull.yml b/.github/workflows/pull.yml
index f7d2b627bc5..3bea2984184 100644
--- a/.github/workflows/pull.yml
+++ b/.github/workflows/pull.yml
@@ -98,6 +98,12 @@ jobs:
           - dtype: bf16
             build-tool: buck2
             mode: portable
+          - dtype: bf16
+            build-tool: cmake
+            mode: custom
+          - dtype: bf16
+            build-tool: buck2
+            mode: custom
       fail-fast: false
     with:
       runner: linux.2xlarge
diff --git a/.github/workflows/trunk.yml b/.github/workflows/trunk.yml
index c749fd67b5b..42f29aea9d7 100644
--- a/.github/workflows/trunk.yml
+++ b/.github/workflows/trunk.yml
@@ -227,6 +227,8 @@ jobs:
         include:
           - dtype: bf16
             mode: portable
+          - dtype: bf16
+            mode: custom
       fail-fast: false
     with:
       runner: macos-m1-stable