diff --git a/target/linux/x86/64/config-5.10 b/target/linux/x86/64/config-5.10
index 41f4a9382..553afd874 100644
--- a/target/linux/x86/64/config-5.10
+++ b/target/linux/x86/64/config-5.10
@@ -300,8 +300,8 @@ CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NET_FAILOVER=y
 CONFIG_NET_FLOW_LIMIT=y
 # CONFIG_NITRO_ENCLAVES is not set
-CONFIG_NR_CPUS=128
-CONFIG_NR_CPUS_DEFAULT=128
+CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS_DEFAULT=512
 CONFIG_NR_CPUS_RANGE_BEGIN=2
 CONFIG_NR_CPUS_RANGE_END=512
 CONFIG_NVME_CORE=y
diff --git a/target/linux/x86/64/config-5.4 b/target/linux/x86/64/config-5.4
index 337d0ece8..cab2b1ba1 100644
--- a/target/linux/x86/64/config-5.4
+++ b/target/linux/x86/64/config-5.4
@@ -310,8 +310,8 @@ CONFIG_ND_CLAIM=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NET_FAILOVER=y
 CONFIG_NET_FLOW_LIMIT=y
-CONFIG_NR_CPUS=128
-CONFIG_NR_CPUS_DEFAULT=64
+CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS_DEFAULT=512
 CONFIG_NR_CPUS_RANGE_BEGIN=2
 CONFIG_NR_CPUS_RANGE_END=512
 # CONFIG_NUMA is not set