diff --git a/resources/u-boot/gru_bob/config/default b/resources/u-boot/gru_bob/config/default
index 64f5274f..cffadddc 100644
--- a/resources/u-boot/gru_bob/config/default
+++ b/resources/u-boot/gru_bob/config/default
@@ -2176,7 +2176,7 @@ CONFIG_CMD_BOOTEFI_BOOTMGR=y
 CONFIG_EFI_VARIABLE_FILE_STORE=y
 # CONFIG_EFI_VARIABLE_NO_STORE is not set
 # CONFIG_EFI_VARIABLES_PRESEED is not set
-CONFIG_EFI_VAR_BUF_SIZE=16384
+CONFIG_EFI_VAR_BUF_SIZE=32768
 # CONFIG_EFI_RUNTIME_UPDATE_CAPSULE is not set
 # CONFIG_EFI_CAPSULE_ON_DISK is not set
 CONFIG_EFI_DEVICE_PATH_TO_TEXT=y
diff --git a/resources/u-boot/gru_kevin/config/default b/resources/u-boot/gru_kevin/config/default
index eabaf9c6..6c72c468 100644
--- a/resources/u-boot/gru_kevin/config/default
+++ b/resources/u-boot/gru_kevin/config/default
@@ -2176,7 +2176,7 @@ CONFIG_CMD_BOOTEFI_BOOTMGR=y
 CONFIG_EFI_VARIABLE_FILE_STORE=y
 # CONFIG_EFI_VARIABLE_NO_STORE is not set
 # CONFIG_EFI_VARIABLES_PRESEED is not set
-CONFIG_EFI_VAR_BUF_SIZE=16384
+CONFIG_EFI_VAR_BUF_SIZE=32768
 # CONFIG_EFI_RUNTIME_UPDATE_CAPSULE is not set
 # CONFIG_EFI_CAPSULE_ON_DISK is not set
 CONFIG_EFI_DEVICE_PATH_TO_TEXT=y
diff --git a/resources/u-boot/qemu_arm64_12mb/config/default b/resources/u-boot/qemu_arm64_12mb/config/default
index b870bcb8..18cbb4f0 100644
--- a/resources/u-boot/qemu_arm64_12mb/config/default
+++ b/resources/u-boot/qemu_arm64_12mb/config/default
@@ -1548,7 +1548,7 @@ CONFIG_CMD_BOOTEFI_BOOTMGR=y
 CONFIG_EFI_VARIABLE_FILE_STORE=y
 # CONFIG_EFI_VARIABLE_NO_STORE is not set
 # CONFIG_EFI_VARIABLES_PRESEED is not set
-CONFIG_EFI_VAR_BUF_SIZE=16384
+CONFIG_EFI_VAR_BUF_SIZE=32768
 CONFIG_EFI_GET_TIME=y
 CONFIG_EFI_SET_TIME=y
 # CONFIG_EFI_RUNTIME_UPDATE_CAPSULE is not set
diff --git a/resources/u-boot/qemu_x86_12mb/config/default b/resources/u-boot/qemu_x86_12mb/config/default
index ab22558a..d057b06e 100644
--- a/resources/u-boot/qemu_x86_12mb/config/default
+++ b/resources/u-boot/qemu_x86_12mb/config/default
@@ -1569,7 +1569,7 @@ CONFIG_CMD_BOOTEFI_BOOTMGR=y
 CONFIG_EFI_VARIABLE_FILE_STORE=y
 # CONFIG_EFI_VARIABLE_NO_STORE is not set
 # CONFIG_EFI_VARIABLES_PRESEED is not set
-CONFIG_EFI_VAR_BUF_SIZE=16384
+CONFIG_EFI_VAR_BUF_SIZE=32768
 CONFIG_EFI_GET_TIME=y
 # CONFIG_EFI_SET_TIME is not set
 # CONFIG_EFI_RUNTIME_UPDATE_CAPSULE is not set