diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 23667a19..9485ddd6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.14']
+        python-version: ['3.15']
     steps:
       - uses: actions/checkout@v7
 
diff --git a/.python-version b/.python-version
index 6324d401..93a848f9 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.14
+3.15
diff --git a/.tool-versions b/.tool-versions
index e5ed6317..81c7b612 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
 just 1.58.0
 uv 0.13.1
-python 3.14 3.13 3.12 3.11 3.10
+python 3.15 3.14 3.13 3.12 3.11 3.10