diff --git a/.gitignore b/.gitignore
index 15251ed..3038634 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ flucky.tar.xz
 
 # directories
 .vscode/
+
+# coverage files
+coverage*
\ No newline at end of file
diff --git a/Makefile b/Makefile
index c7a517a..f845d29 100644
--- a/Makefile
+++ b/Makefile
@@ -184,7 +184,10 @@ test/goldenfiles/bindata.go:
 # ==============================================================================
 PHONY+=test/unit
 test/unit: clean bindata
-	go test -v ./...
+	go test -coverprofile coverage.html -v ./...
+
+test/cover-html: test/unit
+	go tool cover -html coverage.html
 
 # PACKAGES
 # ==============================================================================