diff --git a/.gitignore b/.gitignore
index 4393459..4cdb828 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,5 @@ local/
 cabal.sandbox.config
 cabal.project.local
 .ghc.environment.*
-result
\ No newline at end of file
+result
+.stack-work*
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e0213ab
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,28 @@
+.PHONY: test
+test:
+	echo "test"
+	stack test
+
+.PHONY: test-all
+test-all:
+	$(MAKE) test test-8.6.5 test-8.4.3 test-8.2.2 test-8.0.2
+
+.PHONY: test-8.6.5
+test-8.6.5:
+	echo "test 8.6.5"
+	stack test --stack-yaml stack-8.6.5.yaml --work-dir .stack-work-8.6.5
+
+.PHONY: test-8.4.3
+test-8.4.3:
+	echo "test 8.4.3"
+	stack test --stack-yaml stack-8.4.3.yaml --work-dir .stack-work-8.4.3
+
+.PHONY: test-8.2.2
+test-8.2.2:
+	echo "test 8.2.2"
+	stack test --stack-yaml stack-8.2.2.yaml --work-dir .stack-work-8.2.2
+
+.PHONY: test-8.0.2
+test-8.0.2:
+	echo "test 8.0.2"
+	stack test --stack-yaml stack-8.0.2.yaml --work-dir .stack-work-8.0.2