diff --git a/Makefile b/Makefile
index c56fbc1..3af03af 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 
 include common.mk
 
-BASE_VER ?= 180609
+BASE_VER ?= 242728
 PKG_CONFIG ?= pkg-config
 
 CXXFLAGS += -I$(SRC)/..
diff --git a/deny_claimed_usb_device_rule.cc b/deny_claimed_usb_device_rule.cc
index f3cddfd..23ecb2a 100644
--- a/deny_claimed_usb_device_rule.cc
+++ b/deny_claimed_usb_device_rule.cc
@@ -7,7 +7,7 @@
 #include <libudev.h>
 
 #include "base/logging.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 
 namespace permission_broker {
 
diff --git a/deny_usb_device_class_rule.cc b/deny_usb_device_class_rule.cc
index 0dfb736..5410cc3 100644
--- a/deny_usb_device_class_rule.cc
+++ b/deny_usb_device_class_rule.cc
@@ -6,13 +6,13 @@
 
 #include <libudev.h>
 
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 
 namespace permission_broker {
 
 DenyUsbDeviceClassRule::DenyUsbDeviceClassRule(const uint8_t device_class)
     : UsbSubsystemUdevRule("DenyUsbDeviceClassRule"),
-      device_class_(StringPrintf("%.2x", device_class)) {}
+      device_class_(base::StringPrintf("%.2x", device_class)) {}
 
 DenyUsbDeviceClassRule::~DenyUsbDeviceClassRule() {}
 
diff --git a/deny_usb_vendor_id_rule.cc b/deny_usb_vendor_id_rule.cc
index ecd3a51..4f71557 100644
--- a/deny_usb_vendor_id_rule.cc
+++ b/deny_usb_vendor_id_rule.cc
@@ -8,13 +8,13 @@
 
 #include <string>
 
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 
 namespace permission_broker {
 
 DenyUsbVendorIdRule::DenyUsbVendorIdRule(const uint16_t vendor_id)
     : UsbSubsystemUdevRule("DenyUsbVendorIdRule"),
-      vendor_id_(StringPrintf("%.4x", vendor_id)) {}
+      vendor_id_(base::StringPrintf("%.4x", vendor_id)) {}
 
 DenyUsbVendorIdRule::~DenyUsbVendorIdRule() {}
 
diff --git a/permission_broker.cc b/permission_broker.cc
index be0edc7..1beb13f 100644
--- a/permission_broker.cc
+++ b/permission_broker.cc
@@ -21,7 +21,7 @@
 
 #include "base/logging.h"
 #include "base/stl_util.h"
-#include "base/stringprintf.h"
+#include "base/strings/stringprintf.h"
 #include "chromeos/dbus/dbus.h"
 #include "chromeos/dbus/service_constants.h"
 #include "permission_broker/rule.h"
@@ -135,10 +135,10 @@
   struct udev_enumerate *const enumerate = udev_enumerate_new(udev_);
   udev_enumerate_add_match_is_initialized(enumerate);
   udev_enumerate_add_match_subsystem(enumerate, "usb");
-  udev_enumerate_add_match_sysattr(enumerate, "idVendor", StringPrintf("%.4x",
-      vendor_id).c_str());
-  udev_enumerate_add_match_sysattr(enumerate, "idProduct", StringPrintf("%.4x",
-      product_id).c_str());
+  udev_enumerate_add_match_sysattr(
+      enumerate, "idVendor", base::StringPrintf("%.4x", vendor_id).c_str());
+  udev_enumerate_add_match_sysattr(
+      enumerate, "idProduct", base::StringPrintf("%.4x", product_id).c_str());
   udev_enumerate_scan_devices(enumerate);
 
   struct udev_list_entry *entry = NULL;