diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0bdaf15..bd457b3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   ci:
     strategy:
       matrix:
-        python-version: ["3.12", "3.13", "3.14"]
+        python-version: ["3.12", "3.13", "3.14", "3.15"]
 
     name: Continuous Integration ・ Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
diff --git a/pyproject.toml b/pyproject.toml
index dbc50e7..befe0a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ description = "CQRS library for async Python projects."
 license = "MIT"
 license-files = ["LICENSE"]
 readme = "docs/index.md"
-requires-python = ">=3.12, <3.15"
+requires-python = ">=3.12, <3.16"
 authors = [{ name = "remimd" }]
 keywords = ["cqrs"]
 classifiers = [
diff --git a/uv.lock b/uv.lock
index 064854f..1b69b45 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,10 @@
 version = 1
 revision = 3
-requires-python = ">=3.12, <3.15"
+requires-python = ">=3.12, <3.16"
+resolution-markers = [
+    "python_full_version >= '3.15'",
+    "python_full_version < '3.15'",
+]
 
 [[package]]
 name = "anyio"