diff --git a/build-tools/xaprepare/xaprepare/Steps/Step_DetermineAzurePipelinesTestJobs.cs b/build-tools/xaprepare/xaprepare/Steps/Step_DetermineAzurePipelinesTestJobs.cs
index 29fe310ffc0..01990fc31ce 100644
--- a/build-tools/xaprepare/xaprepare/Steps/Step_DetermineAzurePipelinesTestJobs.cs
+++ b/build-tools/xaprepare/xaprepare/Steps/Step_DetermineAzurePipelinesTestJobs.cs
@@ -68,6 +68,11 @@ protected override async Task<bool> Execute (Context context)
 					testAreas.Add ("Designer");
 				}
 
+				if (file.Contains ("external/proguard")) {
+					testAreas.Add ("MSBuild");
+					testAreas.Add ("MSBuildDevice");
+				}
+
 				if (file.Contains ("src/aapt2")) {
 					testAreas.Add ("MSBuild");
 				}
diff --git a/external/proguard b/external/proguard
index 84e8560d325..912d149394f 160000
--- a/external/proguard
+++ b/external/proguard
@@ -1 +1 @@
-Subproject commit 84e8560d325d80beec8f6d239af52a1095010010
+Subproject commit 912d149394fc96072905735649327d4101980832