diff --git a/include/spdk/nvme_spec.h b/include/spdk/nvme_spec.h
index 189dfaa61..25e1e1998 100644
--- a/include/spdk/nvme_spec.h
+++ b/include/spdk/nvme_spec.h
@@ -619,6 +619,7 @@ enum spdk_nvme_feat {
 	SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION		= 0x0B,
 	SPDK_NVME_FEAT_AUTONOMOUS_POWER_STATE_TRANSITION	= 0x0C,
 	SPDK_NVME_FEAT_HOST_MEM_BUFFER				= 0x0D,
+	SPDK_NVME_FEAT_KEEP_ALIVE_TIMER				= 0x0F,
 	/* 0x0C-0x7F - reserved */
 	SPDK_NVME_FEAT_SOFTWARE_PROGRESS_MARKER			= 0x80,
 	/* 0x81-0xBF - command set specific */