diff --git a/python-sigstore-protobuf-specs.changes b/python-sigstore-protobuf-specs.changes
index 9ac2c5c..ddf0e33 100644
--- a/python-sigstore-protobuf-specs.changes
+++ b/python-sigstore-protobuf-specs.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Tue Feb 25 20:22:22 UTC 2025 - Dirk Müller <dmueller@suse.com>
+
+- update to 0.4.0:
+  * Announced deprecation of JSONSchema outputs from this project
+  * Fix toolchain to write generated code as the user running the
+    build instead of root
+  * Recreated toolchain for code generation instead of depending
+    on third-party container image (#469 (#475
+  * Updated code generation tools
+
 -------------------------------------------------------------------
 Tue Jan 21 09:44:56 UTC 2025 - Daniel Garcia <daniel.garcia@suse.com>
 
diff --git a/python-sigstore-protobuf-specs.spec b/python-sigstore-protobuf-specs.spec
index 1b1decc..01d9133 100644
--- a/python-sigstore-protobuf-specs.spec
+++ b/python-sigstore-protobuf-specs.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-sigstore-protobuf-specs
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,18 +17,20 @@
 
 
 Name:           python-sigstore-protobuf-specs
-Version:        0.3.2
+Version:        0.4.0
 Release:        0
 Summary:        A library for serializing and deserializing Sigstore messages
 License:        Apache-2.0
 URL:            https://github.com/sigstore/protobuf-specs
 Source:         https://files.pythonhosted.org/packages/source/s/sigstore-protobuf-specs/sigstore_protobuf_specs-%{version}.tar.gz
-BuildRequires:  python-rpm-macros
 BuildRequires:  %{python_module flit-core >= 3.2}
 BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module pydantic >= 2}
+BuildRequires:  python-rpm-macros
 # /SECTION
 BuildRequires:  fdupes
 Requires:       python-betterproto
+Requires:       python-pydantic >= 2
 BuildArch:      noarch
 %python_subpackages
 
diff --git a/sigstore_protobuf_specs-0.3.2.tar.gz b/sigstore_protobuf_specs-0.3.2.tar.gz
deleted file mode 100644
index 29ed0df..0000000
--- a/sigstore_protobuf_specs-0.3.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cae041b40502600b8a633f43c257695d0222a94efa1e5110a7ec7ada78c39d99
-size 17529
diff --git a/sigstore_protobuf_specs-0.4.0.tar.gz b/sigstore_protobuf_specs-0.4.0.tar.gz
new file mode 100644
index 0000000..a944539
--- /dev/null
+++ b/sigstore_protobuf_specs-0.4.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5eb5a2cf6c40bc60eb4703ea31c0df9b410a92153bd22dde5a3f1b4f66ef0a90
+size 18530