diff --git a/_service b/_service
index d2daeb0..72c2869 100644
--- a/_service
+++ b/_service
@@ -1,6 +1,6 @@
 <services>
   <service name="cargo_vendor" mode="disabled">
-    <param name="srctar">orjson-3.8.0.tar.gz</param>
+    <param name="srctar">orjson-3.8.3.tar.gz</param>
     <param name="compression">xz</param>
     <param name="update">true</param>
   </service>
diff --git a/orjson-3.8.1.tar.gz b/orjson-3.8.1.tar.gz
deleted file mode 100644
index aad2dc9..0000000
--- a/orjson-3.8.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:07c42de52dfef56cdcaf2278f58e837b26f5b5af5f1fd133a68c4af203851fc7
-size 860348
diff --git a/orjson-3.8.3.tar.gz b/orjson-3.8.3.tar.gz
new file mode 100644
index 0000000..391ed6f
--- /dev/null
+++ b/orjson-3.8.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eda1534a5289168614f21422861cbfb1abb8a82d66c00a8ba823d863c0797178
+size 861187
diff --git a/python-orjson.changes b/python-orjson.changes
index fb31264..d0e9242 100644
--- a/python-orjson.changes
+++ b/python-orjson.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Mon Jan  2 20:07:26 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- update to 3.8.3:
+  * `orjson.dumps()` accepts `option=None` per `Optional[int]` type.
+  * Fix tests on 32-bit for `numpy.intp` and `numpy.uintp`.
+  * Build now depends on rustc 1.60 or later.
+  * Support building with maturin 0.13 or 0.14.
+
 -------------------------------------------------------------------
 Fri Oct 28 18:35:24 UTC 2022 - Yogalakshmi Arunachalam <yarunachalam@suse.com>
 
diff --git a/python-orjson.spec b/python-orjson.spec
index 26a7d23..e66c744 100644
--- a/python-orjson.spec
+++ b/python-orjson.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-orjson
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # 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 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-orjson
-Version:        3.8.1
+Version:        3.8.3
 Release:        0
 Summary:        Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy
 License:        Apache-2.0 OR MIT
diff --git a/vendor.tar.xz b/vendor.tar.xz
index 21f9060..4a389e1 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:448dfa2bb7156d176395da147dac1ded004cc00f8e2c5127747f94c9564d07e7
-size 1447272
+oid sha256:5d5335375b7d6b0c78351828c69af62a95bfc7e2c2de57d4afdbb6459cdf4283
+size 1495252