diff --git a/Offensive.md b/Offensive.md
index a0bb70a..12f4ce2 100644
--- a/Offensive.md
+++ b/Offensive.md
@@ -442,6 +442,10 @@ Some tools can be categorized in more than one category. But because the current
         <td><a href="https://github.com/rasta-mouse/MiscTools">rasta-mouse/MiscTools</a></td>
         <td>Miscellaneous Tools</td>
     </tr>
+    <tr>
+        <td><a href="https://github.com/redcode-labs/Coldfire">redcode-labs/Coldfire</a></td>
+        <td>Golang malware development library</td>
+    </tr>
     <tr>
         <td><a href="https://github.com/reevesrs24/EvasiveProcessHollowing">reevesrs24/EvasiveProcessHollowing</a></td>
         <td>Evasive Process Hollowing Techniques</td>