diff --git a/README.md b/README.md
index 89d18bb..42f1fe1 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,25 @@
         </a>
       </td>
     </tr>
+    <tr align="left" valign="center">
+      <td>
+        <strong>Dev status:</strong>
+      </td>
+      <td>
+        <a href="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions">
+          <img src="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions/workflows/tests_ubuntu.yml/badge.svg?branch=dev" alt="img not loaded: try F5 :)">
+        </a>
+        <a href="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions">
+          <img src="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions/workflows/tests_windows.yml/badge.svg?branch=dev" alt="img not loaded: try F5 :)">
+        </a>
+        <a href="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions">
+          <img src="https://github.com/SimonBlanke/Gradient-Free-Optimizers/actions/workflows/tests_macos.yml/badge.svg?branch=dev" alt="img not loaded: try F5 :)">
+        </a>
+        <a href="https://app.codecov.io/gh/SimonBlanke/Gradient-Free-Optimizers">
+          <img src="https://img.shields.io/codecov/c/github/SimonBlanke/Gradient-Free-Optimizers/dev" alt="img not loaded: try F5 :)">
+        </a>
+      </td>
+    </tr>
     <tr/>
     <tr align="left" valign="center">
       <td>