diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72d6a3f..e9f90bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,13 +38,13 @@ jobs:
     name: Test with python ${{ matrix.python-version }} / ${{ matrix.os-version }}
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
         os-version: ["ubuntu-latest", "windows-latest"]
         exclude:
           - os-version: windows-latest
         include:
           - os-version: windows-latest
-            python-version: 3.13
+            python-version: 3.14
 
     runs-on: ${{ matrix.os-version }}
 
diff --git a/tox.ini b/tox.ini
index c7a76c8..60ed3a1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,13 @@
 [tox]
 envlist =
-    py38
     py39
     py310
     py311
+    py312
+    py313
+    py314
 
-base_python = py311
+base_python = py312
 
 isolated_build = true
 
diff --git a/tox.nix b/tox.nix
index d3ab3e7..eaaf60a 100644
--- a/tox.nix
+++ b/tox.nix
@@ -7,10 +7,12 @@ let
 
 in pkgs.mkShell {
   buildInputs = with pkgs; [
-    (basePython python311)
+    (basePython python312)
+    (toxPython python314)
+    (toxPython python313)
+    (toxPython python311)
     (toxPython python310)
     (toxPython python39)
-    (toxPython python38)
 
     bashInteractive
   ];