diff --git a/README.md b/README.md
index af990698d..51ac70dde 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 [![npm](https://img.shields.io/badge/npm-1.0.0%E2%80%93beta.18.1-blue.svg)](https://www.npmjs.com/package/@jcubic/lips)
 ![1.0.0 Complete](https://img.shields.io/github/milestones/progress-percent/jcubic/lips/1?label=1.0.0%20Complete)
 [![Build and test](https://github.com/jcubic/lips/actions/workflows/build.yaml/badge.svg?branch=devel&event=push)](https://github.com/jcubic/lips/actions/workflows/build.yaml)
-[![Coverage Status](https://coveralls.io/repos/github/jcubic/lips/badge.svg?branch=devel&4fdf5f77a5a79d8e12bad669d961d6ad)](https://coveralls.io/github/jcubic/lips?branch=devel)
+[![Coverage Status](https://coveralls.io/repos/github/jcubic/lips/badge.svg?branch=devel&3df4b3c6d80e6b8ee8ccabd287057791)](https://coveralls.io/github/jcubic/lips?branch=devel)
 [![Join Gitter Chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jcubic/lips)
 ![NPM Download Count](https://img.shields.io/npm/dm/@jcubic/lips)
 ![JSDelivr Download count](https://img.shields.io/jsdelivr/npm/hm/@jcubic/lips)
@@ -246,6 +246,7 @@ The issue with performance is tracked in [#197](https://github.com/jcubic/lips/i
 | Running Scheme Scripts on Unix  | [SRFI-22](https://srfi.schemers.org/srfi-22/) |
 | Error reporting mechanism | [SRFI-23](https://srfi.schemers.org/srfi-23/) |
 | Basic Syntax-rules Extensions | [SRFI-46](https://srfi.schemers.org/srfi-46/) |
+| Custom macro transformers | [SRFI-147](https://srfi.schemers.org/srfi-147/)) |
 | Version flag | [SRFI-176](https://srfi.schemers.org/srfi-176/) |
 
 ### require `(load "./lib/srfi/<number>.scm")`
diff --git a/templates/README.md b/templates/README.md
index bf4199109..a46e7e103 100644
--- a/templates/README.md
+++ b/templates/README.md
@@ -246,6 +246,7 @@ The issue with performance is tracked in [#197](https://github.com/jcubic/lips/i
 | Running Scheme Scripts on Unix  | [SRFI-22](https://srfi.schemers.org/srfi-22/) |
 | Error reporting mechanism | [SRFI-23](https://srfi.schemers.org/srfi-23/) |
 | Basic Syntax-rules Extensions | [SRFI-46](https://srfi.schemers.org/srfi-46/) |
+| Custom macro transformers | [SRFI-147](https://srfi.schemers.org/srfi-147/)) |
 | Version flag | [SRFI-176](https://srfi.schemers.org/srfi-176/) |
 
 ### require `(load "./lib/srfi/<number>.scm")`
diff --git a/tests/syntax.scm b/tests/syntax.scm
index 6cd949950..10d982884 100644
--- a/tests/syntax.scm
+++ b/tests/syntax.scm
@@ -1170,3 +1170,20 @@
 
 
         (t.is (call/mv string (values #\a #\b) (values #\c #\d)) (#\a #\b #\c #\d))))
+
+(test "syntax: SRFI-147"
+      (lambda (t)
+        (define-syntax syntax-rules*
+          (syntax-rules ()
+            ((syntax-rules* (literal ...) (pattern . templates) ...)
+             (syntax-rules (literal ...) (pattern (begin . templates)) ...))
+            ((syntax-rules* ellipsis (literal ...) (pattern . templates) ...)
+             (syntax-rules ellipsis (literal ...) (pattern (begin . templates)) ...))))
+
+        (let-syntax ((foo
+                      (syntax-rules* ()
+                        ((foo a b)
+                         (define a 1)
+                         (define b 2)))))
+          (foo x y)
+          (t.is (list x y) '(1 2)))))