diff --git a/.buildkite/common.py b/.buildkite/common.py
index 81867a252bf..a979638e472 100644
--- a/.buildkite/common.py
+++ b/.buildkite/common.py
@@ -25,6 +25,8 @@
     "m7a.metal-48xl", # AMD Genoa
     "m6g.metal",      # Graviton2
     "m7g.metal",      # Graviton3
+    "m8g.metal-24xl", # Graviton4 1 socket
+    "m8g.metal-48xl", # Graviton4 2 sockets
 ]
 # fmt: on
 
diff --git a/README.md b/README.md
index 3f14657db5d..a03f098eb32 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,8 @@ We test all combinations of:
 | m7a.metal-48xl |                  |              |              |
 | m6g.metal      |                  |              |              |
 | m7g.metal      |                  |              |              |
+| m8g.metal-24xl |                  |              |              |
+| m8g.metal-48xl |                  |              |              |
 
 ## Known issues and Limitations