--- a/Make.spec	Thu Mar 21 13:15:32 2019 +0100
+++ b/Make.spec	Thu Mar 21 13:15:56 2019 +0100
@@ -159,6 +159,7 @@
 	RegressionTests::UninterpretedBytesTest \
 	RegressionTests::VMCrashTestCase \
 	RegressionTests::WeakCollectionTest \
+	RegressionTests::Widgets \
 	RegressionTests::Win32OLETests \
 	RegressionTests::Win32OperatingSystemTest \
 	RegressionTests::WritingToTranscriptOrStdoutTest \
@@ -284,6 +285,7 @@
     $(OUTDIR)RegressionTests__UninterpretedBytesTest.$(O) \
     $(OUTDIR)RegressionTests__VMCrashTestCase.$(O) \
     $(OUTDIR)RegressionTests__WeakCollectionTest.$(O) \
+    $(OUTDIR)RegressionTests__Widgets.$(O) \
     $(OUTDIR)RegressionTests__Win32OLETests.$(O) \
     $(OUTDIR)RegressionTests__Win32OperatingSystemTest.$(O) \
     $(OUTDIR)RegressionTests__WritingToTranscriptOrStdoutTest.$(O) \