diff --git a/.gitignore b/.gitignore
index 59cb724..313aaf0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ protobuf-2.3.0.tar.bz2
 /protobuf-3.11.2-all.tar.gz
 /5ec7f0c4a113e2f18ac2c6cc7df51ad6afc24081.zip
 /protobuf-3.11.4-all.tar.gz
+/protobuf-3.12.3-all.tar.gz
diff --git a/protobuf.spec b/protobuf.spec
index 68f587f..080f77c 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -7,8 +7,8 @@
 
 Summary:        Protocol Buffers - Google's data interchange format
 Name:           protobuf
-Version:        3.11.4
-Release:        2%{?dist}
+Version:        3.12.3
+Release:        1%{?dist}
 License:        BSD
 URL:            https://github.com/protocolbuffers/protobuf
 Source:         https://github.com/protocolbuffers/protobuf/archive/v%{version}%{?rcver}/%{name}-%{version}%{?rcver}-all.tar.gz
@@ -297,13 +297,13 @@ install -p -m 0644 %{SOURCE2} %{buildroot}%{_emacs_sitestartdir}
 %files
 %doc CHANGES.txt CONTRIBUTORS.txt README.md
 %license LICENSE
-%{_libdir}/libprotobuf.so.22*
+%{_libdir}/libprotobuf.so.23*
 
 %files compiler
 %doc README.md
 %license LICENSE
 %{_bindir}/protoc
-%{_libdir}/libprotoc.so.22*
+%{_libdir}/libprotoc.so.23*
 %{_emacs_sitelispdir}/%{name}/
 %{_emacs_sitestartdir}/protobuf-init.el
 
@@ -320,7 +320,7 @@ install -p -m 0644 %{SOURCE2} %{buildroot}%{_emacs_sitestartdir}
 %{_libdir}/libprotoc.a
 
 %files lite
-%{_libdir}/libprotobuf-lite.so.22*
+%{_libdir}/libprotobuf-lite.so.23*
 
 %files lite-devel
 %{_libdir}/libprotobuf-lite.so
@@ -366,6 +366,9 @@ install -p -m 0644 %{SOURCE2} %{buildroot}%{_emacs_sitestartdir}
 
 
 %changelog
+* Fri Jun 19 2020 Adrian Reber <adrian@lisas.de> - 3.12.3-2
+- Update to 3.12.3
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 3.11.4-2
 - Rebuilt for Python 3.9
 
diff --git a/sources b/sources
index f1dfed5..5770080 100644
--- a/sources
+++ b/sources
@@ -1,2 +1 @@
-SHA512 (protobuf-3.11.4-all.tar.gz) = 777bbb0e9e2375eaebe6b8c87abd660bac70ee469c9ad00dd25917b82d7fb5bbe33cf87f0d69c90e19d55c07a7285ec20974ba4768623ce9ccfadf147fd5e261
-SHA512 (5ec7f0c4a113e2f18ac2c6cc7df51ad6afc24081.zip) = ba904f3a0b606357873db938986b0abf37425a65501340fe81f73f9c5d05f542429662fe71c0b10e4796cb6335ae9a687fc9fb21084f2f5bfd2ede79977f5821
+SHA512 (protobuf-3.12.3-all.tar.gz) = 1d17a9d728443b42104b1b2bc473825efa49e0838ac5a29085cbf3da641ebae2f9a46f83de916dfccdf30eb075489759b53c48295a3632748e66debe58788997