diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 27f6a48..46146d4 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     env:
       PYTHON: ${{ matrix.python-version }}
diff --git a/README.md b/README.md
index 9b9e042..5d0abf5 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # <img src="docs/images/routeelogo.png" alt="Routee Powertrain" width="100"/>
 
 <div align="left">
-    <img src="https://img.shields.io/badge/python-3.9%20%7C%203.10%20%7C%203.11%20%7C%203.12-blue"/>
+    <img src="https://img.shields.io/badge/python-3.9%20%7C%203.10%20%7C%203.11-blue"/>
   <a href="https://pypi.org/project/nrel.routee.powertrain/">
     <img src="https://img.shields.io/pypi/v/nrel.routee.powertrain" alt="PyPi Latest Release"/>
   </a>