diff --git a/mono b/mono
index 33be4db6..b9b8bd1b 160000
--- a/mono
+++ b/mono
@@ -1 +1 @@
-Subproject commit 33be4db6db5cdaf35216796e36fc3e87a7189aa6
+Subproject commit b9b8bd1b56a9189dbb42aec1b06b9c17c016d448
diff --git a/tools/tests/mixedmode-apt.cs b/tools/tests/mixedmode-apt.cs
new file mode 100644
index 00000000..a952373d
--- /dev/null
+++ b/tools/tests/mixedmode-apt.cs
@@ -0,0 +1,20 @@
+/* Having a native or mixed-mode .exe in our tests-x86 dir causes
+ * problems, and in some cases we want to control what dependencies
+ * are in what path, so just chain to the real exe. */
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+
+class MixedModeExe
+{
+	static int Main()
+	{
+		string exedir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+		var process = new Process();
+		process.StartInfo.FileName = Path.Combine(exedir, "vstests", "mixedapartmentstate.exe");
+		process.Start();
+		process.WaitForExit();
+		return process.ExitCode;
+	}
+}
diff --git a/tools/tests/tests.make b/tools/tests/tests.make
index c8338526..699381ca 100644
--- a/tools/tests/tests.make
+++ b/tools/tests/tests.make
@@ -7,6 +7,7 @@ TEST_CS_EXE_SRCS = \
 	dllimport-preload.cs \
 	interactioncommand.cs \
 	marshalansi.cs \
+	mixedmode-apt.cs \
 	mixedmode-call.cs \
 	mixedmode-dllimport-0.cs \
 	mixedmode-dllimport-assemblydirectory.cs \
@@ -60,6 +61,7 @@ endif
 TEST_INSTALL_FILES = $(TEST_RAW_FILES:%=tools/tests/%)
 
 TEST_BINARY_FILES = \
+	mixedapartmentstate.exe \
 	mixedmodeexe.exe \
 	mixedmodelibrary.dll \
 	nativelibrary.dll
diff --git a/vstests b/vstests
index 12d1b274..97d37051 160000
--- a/vstests
+++ b/vstests
@@ -1 +1 @@
-Subproject commit 12d1b274b76c97be7e9aea644b1c8d80b980e5aa
+Subproject commit 97d370513170ca344bd1285cc0d02498539b4c07