diff --git a/README-jp.md b/README-jp.md
index 7c77a96..ef02fce 100644
--- a/README-jp.md
+++ b/README-jp.md
@@ -414,6 +414,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [prowler](https://github.com/Alfresco/prowler) - Tool for AWS security assessment, auditing and hardening by [@Alfresco](https://github.com/Alfresco).
 - [A2SV](https://github.com/hahwul/a2sv) - Auto Scanning to SSL Vulnerability by [@hahwul](https://github.com/hahwul).
 - [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-command-injection"></a>
 ### Command Injection
diff --git a/README-zh.md b/README-zh.md
index 554c035..03b41ef 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -447,6 +447,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [prowler](https://github.com/Alfresco/prowler) - Tool for AWS security assessment, auditing and hardening by [@Alfresco](https://github.com/Alfresco).
 - [A2SV](https://github.com/hahwul/a2sv) - Auto Scanning to SSL Vulnerability by [@hahwul](https://github.com/hahwul).
 - [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-command-injection"></a>
 ### Command Injection
diff --git a/README.md b/README.md
index 4183839..23908a0 100644
--- a/README.md
+++ b/README.md
@@ -409,6 +409,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [prowler](https://github.com/Alfresco/prowler) - Tool for AWS security assessment, auditing and hardening by [@Alfresco](https://github.com/Alfresco).
 - [A2SV](https://github.com/hahwul/a2sv) - Auto Scanning to SSL Vulnerability by [@hahwul](https://github.com/hahwul).
 - [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-command-injection"></a>
 ### Command Injection