diff --git a/Related-Projects.md b/Related-Projects.md
index 1c54d72..9bd87f2 100644
--- a/Related-Projects.md
+++ b/Related-Projects.md
@@ -29,6 +29,7 @@
 * [mruby-limits](https://github.com/ksss/mruby-limits) limits.h binding by [ksss](https://github.com/ksss)
 * [mruby-md5](https://github.com/mattn/mruby-md5) MD5 digest function by [mattn](https://github.com/mattn)
 * [mruby-msagent](https://github.com/mattn/mruby-msagent) Microsoft Agent by [mattn](https://github.com/mattn)
+* [mruby-memcached](https://github.com/matsumoto-r/mruby-memcached) memcached client using libmemcached by [matsumoto_r](https://github.com/matsumoto-r)
 * [mruby-mtest](https://github.com/iij/mruby-mtest) Minimum Test Framework by [iij](https://github.com/iij)
 * [mruby-murmurhash1](https://github.com/ksss/mruby-murmurhash1) murmurhash1 digest function by [ksss](https://github.com/ksss)
 * [mruby-murmurhash2](https://github.com/ksss/mruby-murmurhash2) murmurhash2 digest function by [ksss](https://github.com/ksss)