diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1e83e50..fe7afb1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/setup.py b/setup.py
index 523f2bb..b7c7303 100644
--- a/setup.py
+++ b/setup.py
@@ -28,8 +28,6 @@
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12",
-        "Programming Language :: Python :: 3.13",
     ],
     install_requires=[
         "py-cid>=0.3.0,<1.0.0",