diff --git a/src/dstack/_internal/core/backends/aws/compute.py b/src/dstack/_internal/core/backends/aws/compute.py
index a0541c180..4fa3db952 100644
--- a/src/dstack/_internal/core/backends/aws/compute.py
+++ b/src/dstack/_internal/core/backends/aws/compute.py
@@ -1369,6 +1369,7 @@ def _supported_instances(
         "p6-b200.",
         "p5.",
         "p5e.",
+        "p5en.",
         "p4d.",
         "p4de.",
         "g7.",
diff --git a/src/tests/_internal/server/services/backends/test_provisioning.py b/src/tests/_internal/server/services/backends/test_provisioning.py
index b7ea22925..879b5a247 100644
--- a/src/tests/_internal/server/services/backends/test_provisioning.py
+++ b/src/tests/_internal/server/services/backends/test_provisioning.py
@@ -67,6 +67,7 @@ def test_patch_aws_efa_instance_with_suffix(self, suffix: str, instance_type: st
         [
             "p5.48xlarge",
             "p5e.48xlarge",
+            "p5en.48xlarge",
             "p4d.24xlarge",
             "p4de.24xlarge",
             "g6.8xlarge",