diff --git a/cover.spec b/cover.spec
new file mode 100644
index 00000000..9dba11c8
--- /dev/null
+++ b/cover.spec
@@ -0,0 +1 @@
+{incl_app, cowboy, details}.
diff --git a/rebar.config b/rebar.config
index f75bfd47..e700ab8e 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,3 +1,4 @@
+{cover_enabled, true}.
 {dialyzer_opts, [src, {warnings, [
 	behaviours,
 	error_handling,