diff --git a/package.yaml b/package.yaml
index 00ee756..b3bb65f 100644
--- a/package.yaml
+++ b/package.yaml
@@ -46,3 +46,4 @@ tests:
     - -with-rtsopts=-N
     dependencies:
     - mtlstats
+    - hspec >= 2.7.1 && < 2.8
diff --git a/stack.yaml.lock b/stack.yaml.lock
new file mode 100644
index 0000000..3bab3b8
--- /dev/null
+++ b/stack.yaml.lock
@@ -0,0 +1,12 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 523443
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/14/0.yaml
+    sha256: 283773e7120f5446d961eab35ea95c9af9c24187cc178537bd29273200a05171
+  original: lts-14.0
diff --git a/test/Spec.hs b/test/Spec.hs
index cd4753f..ff6a86a 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -1,2 +1,4 @@
+import Test.Hspec (hspec)
+
 main :: IO ()
-main = putStrLn "Test suite not yet implemented"
+main = hspec $ return ()