diff --git a/.gitignore b/.gitignore
index 58643f8..50047a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 dist/
 bin/
 .stack-work/
+.hpc/
+*.tix
diff --git a/Makefile b/Makefile
index 0345e0f..92cc86d 100644
--- a/Makefile
+++ b/Makefile
@@ -12,3 +12,10 @@ clean:
 
 test:
 	(cd test && ./run-all.sh)
+
+coverage:
+	stack install --local-bin-path bin --ghc-options=-fhpc
+	rm -f test/*/sv2v.tix
+	make test
+	stack exec hpc -- sum test/*/sv2v.tix --union --output=.hpc/combined.tix
+	stack exec hpc -- markup .hpc/combined.tix --destdir=.hpc