diff --git a/README.md b/README.md
index 9cca147..5f1bfe1 100644
--- a/README.md
+++ b/README.md
@@ -9,14 +9,17 @@
   <a href="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/docs.yml">
   <img src="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/docs.yml/badge.svg">   
   <a href="LICENSE"><img src="https://img.shields.io/badge/license-MIT-purple.svg"></a>
-    <a href="https://VirtualPlanetaryLaboratory.github.io/vplanet/conduct.html"><img src="https://img.shields.io/badge/Code%20of-Conduct-7d93c7.svg"></a><br>
+    <a href="https://VirtualPlanetaryLaboratory.github.io/vplanet/conduct.html"><img src="https://img.shields.io/badge/Code%20of-Conduct-7d93c7.svg"></a>
+  <br>
   <img src="https://img.shields.io/badge/Unit%20Tests-3-darkblue.svg"></a>
   <a href="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/tests.yml">
   <img src="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/tests.yml/badge.svg">
-    <img src="https://img.shields.io/badge/Python-3.6--3.9-orange.svg"></a><br>
+    <img src="https://img.shields.io/badge/Python-3.6--3.9-orange.svg"></a>
   <a href="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/pip-install.yml">
+  [![codecov](https://codecov.io/github/VirtualPlanetaryLaboratory/vspace/graph/badge.svg?token=6Z8HVQW8N6)](https://codecov.io/github/VirtualPlanetaryLaboratory/vspace)
+  <br>
   <img src="https://github.com/VirtualPlanetaryLaboratory/vspace/actions/workflows/pip-install.yml/badge.svg">
-    <img src="https://img.shields.io/badge/Python-3.7--3.9-orange.svg"></a>
+    <img src="https://img.shields.io/badge/Python-3.9--3.13-orange.svg"></a>
     <img src = "https://img.shields.io/badge/Platforms-Linux_|%20macOS-darkgreen.svg?style=flat">
   </a>
 </p>
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..c27a38f
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,22 @@
+codecov:
+  # Don't fail CI if coverage report has issues
+  require_ci_to_pass: no
+
+coverage:
+  status:
+    project:
+      default:
+        # Allow coverage to decrease
+        target: auto
+        threshold: 100%
+        informational: true
+    patch:
+      default:
+        # Don't fail on patch coverage
+        informational: true
+
+comment:
+  # Add comment to PR with coverage info
+  layout: "reach,diff,flags,tree"
+  behavior: default
+  require_changes: false