diff --git a/Makefile b/Makefile
index 95b7e61c..0a734d63 100644
--- a/Makefile
+++ b/Makefile
@@ -36,3 +36,10 @@ test:
 
 loc:
 	@find . -name "*.go" | xargs wc -l
+
+loc-author:
+	@git ls-files -z | \
+		xargs -0rn 1 -P "$$(nproc)" -I{} sh -c 'git blame -w -M -C -C --line-porcelain -- {} | grep -I --line-buffered "^author "' | \
+   	sort -f | \
+   	uniq -ic | \
+   	sort -n