diff --git a/build/Version.props b/build/Version.props
index 1379ffd94e..e58434a58c 100644
--- a/build/Version.props
+++ b/build/Version.props
@@ -3,7 +3,7 @@
   <!-- Integration tests will ensure they match across the board -->
   <Import Project="ControlPanelVersion.props" />
   <PropertyGroup>
-    <TgsCoreVersion>5.7.1</TgsCoreVersion>
+    <TgsCoreVersion>5.7.2</TgsCoreVersion>
     <TgsConfigVersion>4.4.0</TgsConfigVersion>
     <TgsApiVersion>9.9.0</TgsApiVersion>
     <TgsApiLibraryVersion>10.3.0</TgsApiLibraryVersion>
diff --git a/src/Tgstation.Server.Host/IO/DefaultIOManager.cs b/src/Tgstation.Server.Host/IO/DefaultIOManager.cs
index ec1dc01c05..485865877b 100644
--- a/src/Tgstation.Server.Host/IO/DefaultIOManager.cs
+++ b/src/Tgstation.Server.Host/IO/DefaultIOManager.cs
@@ -41,9 +41,10 @@ namespace Tgstation.Server.Host.IO
 		/// </summary>
 		/// <param name="dir"><see cref="DirectoryInfo"/> of the directory to empty.</param>
 		/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
-		/// <returns>A <see cref="Task"/> representing the running operation.</returns>
-		static async Task NormalizeAndDelete(DirectoryInfo dir, CancellationToken cancellationToken)
+		static void NormalizeAndDelete(DirectoryInfo dir, CancellationToken cancellationToken)
 		{
+			cancellationToken.ThrowIfCancellationRequested();
+
 			// check if we are a symbolic link
 			if (!dir.Attributes.HasFlag(FileAttributes.Directory) || dir.Attributes.HasFlag(FileAttributes.ReparsePoint))
 			{
@@ -51,14 +52,8 @@ namespace Tgstation.Server.Host.IO
 				return;
 			}
 
-			await Task.Yield();
-
-			var tasks = new List<Task>();
 			foreach (var subDir in dir.EnumerateDirectories())
-			{
-				cancellationToken.ThrowIfCancellationRequested();
-				tasks.Add(NormalizeAndDelete(subDir, cancellationToken));
-			}
+				NormalizeAndDelete(subDir, cancellationToken);
 
 			foreach (var file in dir.EnumerateFiles())
 			{
@@ -67,7 +62,6 @@ namespace Tgstation.Server.Host.IO
 				file.Delete();
 			}
 
-			await Task.WhenAll(tasks);
 			cancellationToken.ThrowIfCancellationRequested();
 			dir.Delete(true);
 		}
@@ -158,7 +152,7 @@ namespace Tgstation.Server.Host.IO
 			return Task.Factory.StartNew(
 				() => NormalizeAndDelete(di, cancellationToken),
 				cancellationToken,
-				BlockingTaskCreationOptions,
+				TaskCreationOptions.LongRunning,
 				TaskScheduler.Current);
 		}
 
diff --git a/tests/Tgstation.Server.Host.Tests/IO/TestIOManager.cs b/tests/Tgstation.Server.Host.Tests/IO/TestIOManager.cs
new file mode 100644
index 0000000000..3f978cd983
--- /dev/null
+++ b/tests/Tgstation.Server.Host.Tests/IO/TestIOManager.cs
@@ -0,0 +1,55 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+using System.IO;
+using System.Threading.Tasks;
+
+using Tgstation.Server.Host.System;
+
+namespace Tgstation.Server.Host.IO.Tests
+{
+	[TestClass]
+	public sealed class TestIOManager
+	{
+		readonly IIOManager ioManager = new DefaultIOManager(new AssemblyInformationProvider());
+
+		[TestMethod]
+		public async Task TestDeleteDirectory()
+		{
+			var tempPath = Path.GetTempFileName();
+			File.Delete(tempPath);
+			Directory.CreateDirectory(tempPath);
+			try
+			{
+				await ioManager.DeleteDirectory(tempPath, default);
+
+				Assert.IsFalse(Directory.Exists(tempPath));
+			}
+			catch
+			{
+				Directory.Delete(tempPath);
+				throw;
+			}
+		}
+
+		[TestMethod]
+		public async Task TestDirectoryExists()
+		{
+			var tempPath = Path.GetTempFileName();
+			File.Delete(tempPath);
+
+			Assert.IsFalse(await ioManager.DirectoryExists(tempPath, default));
+
+			Directory.CreateDirectory(tempPath);
+
+			try
+			{
+				Assert.IsTrue(await ioManager.DirectoryExists(tempPath, default));
+			}
+			catch
+			{
+				Directory.Delete(tempPath);
+				throw;
+			}
+		}
+	}
+}
diff --git a/tests/Tgstation.Server.Tests/Instance/ConfigurationTest.cs b/tests/Tgstation.Server.Tests/Instance/ConfigurationTest.cs
index 35462a80cc..05227e7328 100644
--- a/tests/Tgstation.Server.Tests/Instance/ConfigurationTest.cs
+++ b/tests/Tgstation.Server.Tests/Instance/ConfigurationTest.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using System.Net.Http;
 using System.Net.Mime;
@@ -87,6 +87,14 @@ namespace Tgstation.Server.Tests.Instance
 			var tmp = (TestDir.Path?.StartsWith('/') ?? false) ? '.' + TestDir.Path : TestDir.Path;
 			var path = Path.Combine(instance.Path, "Configuration", tmp);
 			Assert.IsFalse(Directory.Exists(path));
+
+			// leave a directory there to test the deployment process
+			var staticDir = new ConfigurationFileRequest
+			{
+				Path = "/GameStaticFiles/data"
+			};
+
+			await configurationClient.CreateDirectory(staticDir, cancellationToken);
 		}
 
 		public async Task Run(CancellationToken cancellationToken)