diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index 4b26cfcf9..655acc602 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -7,6 +7,6 @@ on:
 
 jobs:
   publish-nuget:
-    uses: Lombiq/GitHub-Actions/.github/workflows/publish-nuget.yml@dev
+    uses: Lombiq/GitHub-Actions/.github/workflows/publish-nuget.yml@issue/OSOE-842
     secrets:
       API_KEY: ${{ secrets.DEFAULT_NUGET_PUBLISH_API_KEY }}
diff --git a/Lombiq.Tests.UI.Samples/Tests/MonkeyTests.cs b/Lombiq.Tests.UI.Samples/Tests/MonkeyTests.cs
index b8b7738ae..363c31c2a 100644
--- a/Lombiq.Tests.UI.Samples/Tests/MonkeyTests.cs
+++ b/Lombiq.Tests.UI.Samples/Tests/MonkeyTests.cs
@@ -101,6 +101,7 @@ public Task TestAdminBackgroundTasksAsMonkeyRecursivelyShouldWorkWithAdminUser()
                     && !logEntry
                         .Message
                         .Contains("An invalid form control with name='LockExpiration' is not focusable.")
+                    && !logEntry.IsNotFoundLogEntry("/favicon.ico")
                     && logEntry.Level != LogLevel.Info)
                 .ShouldBeEmpty());
 
diff --git a/Lombiq.Tests.UI/Services/WebDriverFactory.cs b/Lombiq.Tests.UI/Services/WebDriverFactory.cs
index d27325bdc..630fef7cb 100644
--- a/Lombiq.Tests.UI/Services/WebDriverFactory.cs
+++ b/Lombiq.Tests.UI/Services/WebDriverFactory.cs
@@ -22,17 +22,13 @@ public static Task<ChromeDriver> CreateChromeDriverAsync(BrowserConfiguration co
     {
         Task<ChromeDriver> CreateDriverInnerAsync(ChromeDriverService service)
         {
+            // Note that no-sandbox should NOT be used, because it causes Chrome processes to remain open, see
+            // https://github.com/Lombiq/UI-Testing-Toolbox/issues/356.
+
             var chromeConfig = new ChromeConfiguration { Options = new ChromeOptions().SetCommonOptions() };
 
             chromeConfig.Options.SetLoggingPreference(LogType.Browser, LogLevel.Info);
 
-            // Disabling the Chrome sandbox can speed things up a bit, so it's recommended when you get a lot of
-            // timeouts during parallel execution:
-            // https://stackoverflow.com/questions/22322596/selenium-error-the-http-request-to-the-remote-webdriver-timed-out-after-60-sec
-            // However, this makes the executing machine vulnerable to browser-based attacks so it should only be used
-            // with trusted code (like our own).
-            chromeConfig.Options.AddArgument("no-sandbox");
-
             // Linux-specific setting, may be necessary for running in containers, see
             // https://developers.google.com/web/tools/puppeteer/troubleshooting#tips for more information.
             chromeConfig.Options.AddArgument("disable-dev-shm-usage"); // #spell-check-ignore-line