diff --git a/chromium_version.txt b/chromium_version.txt
index a7342de9..b0641ddb 100644
--- a/chromium_version.txt
+++ b/chromium_version.txt
@@ -1 +1 @@
-115.0.5790.114
+115.0.5790.170
diff --git a/domain_substitution.list b/domain_substitution.list
index ff15c9b2..abff25a5 100644
--- a/domain_substitution.list
+++ b/domain_substitution.list
@@ -1599,7 +1599,7 @@ chrome/browser/ui/quick_answers/quick_answers_ui_controller.cc
 chrome/browser/ui/search/ntp_user_data_logger_unittest.cc
 chrome/browser/ui/search/search_tab_helper.h
 chrome/browser/ui/search/third_party_ntp_browsertest.cc
-chrome/browser/ui/side_panel/companion/companion_utils_unittest.cc
+chrome/browser/ui/side_panel/companion/exps_registration_success_observer_unittest.cc
 chrome/browser/ui/signin_reauth_view_controller_browsertest.cc
 chrome/browser/ui/signin_view_controller.cc
 chrome/browser/ui/signin_view_controller_interactive_uitest.cc
@@ -8596,6 +8596,7 @@ third_party/devtools-frontend/src/test/unittests/front_end/core/i18n/i18n_test.t
 third_party/devtools-frontend/src/test/unittests/front_end/core/platform/StringUtilities_test.ts
 third_party/devtools-frontend/src/test/unittests/front_end/core/root/Runtime_test.ts
 third_party/devtools-frontend/src/test/unittests/front_end/core/sdk/CookieModel_test.ts
+third_party/devtools-frontend/src/test/unittests/front_end/models/extensions/HostUrlPattern_test.ts
 third_party/devtools-frontend/src/test/unittests/front_end/models/persistence/PersistenceImpl_test.ts
 third_party/devtools-frontend/src/test/unittests/front_end/models/timeline_model/TimelineModel_test.ts
 third_party/devtools-frontend/src/test/unittests/front_end/models/trace/ModelImpl_test.ts
@@ -13263,7 +13264,6 @@ tools/gn/src/base/memory/scoped_refptr.h
 tools/gn/src/base/values.h
 tools/gn/src/base/win/registry.cc
 tools/gn/src/base/win/registry.h
-tools/gn/src/gn/args.cc
 tools/gn/src/gn/command_gen.cc
 tools/gn/src/gn/compile_commands_writer.h
 tools/gn/src/gn/standard_out.cc
diff --git a/patches/extra/ungoogled-chromium/add-flag-to-close-window-with-last-tab.patch b/patches/extra/ungoogled-chromium/add-flag-to-close-window-with-last-tab.patch
index 371da0e8..710cbfd8 100644
--- a/patches/extra/ungoogled-chromium/add-flag-to-close-window-with-last-tab.patch
+++ b/patches/extra/ungoogled-chromium/add-flag-to-close-window-with-last-tab.patch
@@ -8,7 +8,7 @@
  #include "base/containers/adapters.h"
  #include "base/containers/contains.h"
  #include "base/containers/flat_map.h"
-@@ -1866,6 +1867,10 @@ bool TabStripModel::CloseTabs(base::span
+@@ -1859,6 +1860,10 @@ bool TabStripModel::CloseTabs(base::span
    if (items.empty())
      return true;