diff --git a/.github/workflows/github-action-test.yaml b/.github/workflows/github-action-test.yaml
index 394fb871..ceda89eb 100644
--- a/.github/workflows/github-action-test.yaml
+++ b/.github/workflows/github-action-test.yaml
@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index 472e1aa4..988fce86 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 
 <p align="center">
     <a href="https://www.python.org">
-        <img src="https://img.shields.io/badge/Python-3.9%20|%203.10%20|%203.11%20|%203.12-blue" alt="Python: 3.9 - 3.12" style="max-width: 100%;">
+        <img src="https://img.shields.io/badge/Python-3.9%20|%203.10%20|%203.11-blue" alt="Python: 3.9 - 3.11" style="max-width: 100%;">
     </a>
     <a href="https://pytest.org">
         <img src="https://img.shields.io/badge/Testing_framework-pytest-a04000" alt="Testing framework: pytest" style="max-width: 100%;">