diff --git a/README-jp.md b/README-jp.md
index 3037c53..b23c030 100644
--- a/README-jp.md
+++ b/README-jp.md
@@ -493,6 +493,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [domato](https://github.com/google/domato) - DOM fuzzer by [@google](https://github.com/google).
 - [FuzzDB](https://github.com/fuzzdb-project/fuzzdb) - Dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.
 - [dirhunt](https://github.com/Nekmo/dirhunt) - Web crawler optimized for searching and analyzing the directory structure of a site by [@nekmo](https://github.com/Nekmo).
+- [ssltest](https://www.ssllabs.com/ssltest/) - Online service that performs a deep analysis of the configuration of any SSL web server on the public internet. Provided by [Qualys SSL Labs](https://www.ssllabs.com).
 
 <a name="tools-scanning"></a>
 ### Scanning
diff --git a/README-zh.md b/README-zh.md
index 9b7662e..f323f66 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -529,6 +529,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [domato](https://github.com/google/domato) - DOM fuzzer by [@google](https://github.com/google).
 - [FuzzDB](https://github.com/fuzzdb-project/fuzzdb) - Dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.
 - [dirhunt](https://github.com/Nekmo/dirhunt) - Web crawler optimized for searching and analyzing the directory structure of a site by [@nekmo](https://github.com/Nekmo).
+- [ssltest](https://www.ssllabs.com/ssltest/) - Online service that performs a deep analysis of the configuration of any SSL web server on the public internet. Provided by [Qualys SSL Labs](https://www.ssllabs.com).
 
 <a name="tools-scanning"></a>
 ### Scanning
diff --git a/README.md b/README.md
index 0464e42..48d6d72 100644
--- a/README.md
+++ b/README.md
@@ -487,6 +487,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [domato](https://github.com/google/domato) - DOM fuzzer by [@google](https://github.com/google).
 - [FuzzDB](https://github.com/fuzzdb-project/fuzzdb) - Dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.
 - [dirhunt](https://github.com/Nekmo/dirhunt) - Web crawler optimized for searching and analyzing the directory structure of a site by [@nekmo](https://github.com/Nekmo).
+- [ssltest](https://www.ssllabs.com/ssltest/) - Online service that performs a deep analysis of the configuration of any SSL web server on the public internet. Provided by [Qualys SSL Labs](https://www.ssllabs.com).
 
 <a name="tools-scanning"></a>
 ### Scanning