diff --git a/_service b/_service
index 02409b9..489f1fa 100644
--- a/_service
+++ b/_service
@@ -1,6 +1,6 @@
 <services>
   <service name="cargo_vendor" mode="manual">
-    <param name="srctar">pydantic_core-2.18.2.tar.gz</param>
+    <param name="srctar">pydantic_core-2.18.4.tar.gz</param>
     <param name="compression">xz</param>
     <param name="update">true</param>
   </service>
diff --git a/pydantic_core-2.18.2.tar.gz b/pydantic_core-2.18.2.tar.gz
deleted file mode 100644
index 05550fd..0000000
--- a/pydantic_core-2.18.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2e29d20810dfc3043ee13ac7d9e25105799817683348823f305ab3f349b9386e
-size 383446
diff --git a/pydantic_core-2.18.4.tar.gz b/pydantic_core-2.18.4.tar.gz
new file mode 100644
index 0000000..7304549
--- /dev/null
+++ b/pydantic_core-2.18.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec3beeada09ff865c344ff3bc2f427f5e6c26401cc6113d77e372c3fdac73864
+size 385098
diff --git a/python-pydantic-core.changes b/python-pydantic-core.changes
index 0b7ecb0..89aa1cb 100644
--- a/python-pydantic-core.changes
+++ b/python-pydantic-core.changes
@@ -1,3 +1,18 @@
+-------------------------------------------------------------------
+Thu Jun  6 14:46:29 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 2.18.4:
+  * Bump uuid from 1.7.0 to 1.8.0
+  * Bump serde from 1.0.197 to 1.0.203
+  * Bump the python-packages group with 6 updates
+  * Uprev `jiter` to v0.4.1
+- update to 2.18.3:
+  * Bump `serde_json` from 1.0.114 to 1.0.116
+  * Bump the python-packages group with 7 updates
+  * Bump `regex` from 1.10.3 to 1.10.4
+  * Bump `pyo3` from 0.21.1 to 0.21.2
+  * Bump `uraimo/run-on-arch-action` from 2.7.1 to 2.7.2
+
 -------------------------------------------------------------------
 Sat Apr 27 07:55:51 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-pydantic-core.spec b/python-pydantic-core.spec
index c8a4ec8..1424a60 100644
--- a/python-pydantic-core.spec
+++ b/python-pydantic-core.spec
@@ -26,7 +26,7 @@
 %endif
 %{?sle15_python_module_pythons}
 Name:           python-pydantic-core%{psuffix}
-Version:        2.18.2
+Version:        2.18.4
 Release:        0
 Summary:        Core functionality for pydantic validation and serialization
 License:        MIT
diff --git a/vendor.tar.xz b/vendor.tar.xz
index 12b3f75..d420fed 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7144326bef16e06d5a21a7a073e00092994459d12db55bdc9f8bdf5ed2fee0ed
-size 7394172
+oid sha256:43f260878e0cceb99002f438a3b1ee38f141786cf10bac440f42f226b5d5067d
+size 7624116