diff --git a/orjson-3.10.15-devendored.tar.xz b/orjson-3.10.15-devendored.tar.xz
deleted file mode 100644
index 03b4ed9..0000000
--- a/orjson-3.10.15-devendored.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6a6a6ad4874e7696268376be2246d8b71548531784e7086244081147c3c6c289
-size 245236
diff --git a/orjson-3.10.15.tar.gz b/orjson-3.10.15.tar.gz
deleted file mode 100644
index 4f09fec..0000000
--- a/orjson-3.10.15.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:05ca7fe452a2e9d8d9d706a2984c95b9c2ebc5db417ce0b7a49b91d50642a23e
-size 5282482
diff --git a/orjson-3.11.3-devendored.tar.xz b/orjson-3.11.3-devendored.tar.xz
new file mode 100644
index 0000000..7583050
--- /dev/null
+++ b/orjson-3.11.3-devendored.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d88a49c80970332f8881f02ffa16cfe3f62444b6dc54561bedc68568ac604b4a
+size 171108
diff --git a/orjson-3.11.3.tar.gz b/orjson-3.11.3.tar.gz
new file mode 100644
index 0000000..5ee750a
--- /dev/null
+++ b/orjson-3.11.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c0603b1d2ffcd43a411d64797a19556ef76958aef1c182f22dc30860152a98a
+size 5482394
diff --git a/python-orjson.changes b/python-orjson.changes
index 56ff1c2..e2175e8 100644
--- a/python-orjson.changes
+++ b/python-orjson.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon Sep 15 14:46:50 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Update to 3.11.3
+  * ABI compatibility with CPython 3.14 beta 4.
+  * Drop support for Python 3.8.
+  * Use a deserialization buffer allocated per request instead of a shared
+    buffer allocated on import.
+  * Fix str on big-endian architectures.
+  * Build now depends on Rust 1.85 or later instead of 1.82.
+  * Fix PyPI project metadata when using maturin 1.9.2 or later.
+
 -------------------------------------------------------------------
 Fri Feb  7 12:53:21 UTC 2025 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/python-orjson.spec b/python-orjson.spec
index 373a2e9..df6c684 100644
--- a/python-orjson.spec
+++ b/python-orjson.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-orjson
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 %{?sle15_python_module_pythons}
 Name:           python-orjson
-Version:        3.10.15
+Version:        3.11.3
 Release:        0
 Summary:        Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
 License:        Apache-2.0 OR MIT
@@ -29,8 +29,8 @@ Source1:        vendor.tar.xz
 Source2:        https://files.pythonhosted.org/packages/source/o/orjson/orjson-%{version}.tar.gz
 Source3:        devendor-sdist.sh
 Source4:        PACKAGING_README.md
-BuildRequires:  %{python_module base >= 3.8}
-BuildRequires:  %{python_module maturin >= 1}
+BuildRequires:  %{python_module base >= 3.9}
+BuildRequires:  %{python_module maturin >= 1.9.2}
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
diff --git a/vendor.tar.xz b/vendor.tar.xz
index 4d7a63d..b91cdaf 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0ecf9c03016f0e6bb913d0581f5c7c6b137d7854d38a79fe08c6c616d2a8ffbe
-size 2604276
+oid sha256:d438db2f6d2a1f2469df8f24267db05c0d4c6ae2d780880f991263078f8a58a4
+size 2782716