diff --git a/.gitignore b/.gitignore
index 3975b20..4617168 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /setuptools-rust-0.11.6.tar.gz
+/setuptools-rust-0.12.0.tar.gz
diff --git a/python-setuptools-rust.spec b/python-setuptools-rust.spec
index 0f997a5..a34cf4e 100644
--- a/python-setuptools-rust.spec
+++ b/python-setuptools-rust.spec
@@ -1,6 +1,12 @@
+%if 0%{?rhel}
+%bcond_with tests
+%else
+%bcond_without tests
+%endif
+
 Name:           python-setuptools-rust
-Version:        0.11.6
-Release:        4%{?dist}
+Version:        0.12.0
+Release:        1%{?dist}
 Summary:        Setuptools Rust extension plugin
 
 License:        MIT
@@ -21,6 +27,9 @@ BuildRequires:  rust-packaging >= 1.45
 # RHEL has rust-toolset and neither setuptools-scm nor wheel
 BuildRequires:  rust-toolset >= 1.45
 %endif
+%if %{with tests}
+BuildRequires:  rust-pyo3+default-devel
+%endif
 
 %description
 Setuptools helpers for Rust Python extensions. Compile and distribute Python
@@ -67,6 +76,15 @@ EOF
 PYTHONPATH=%{buildroot}%{python3_sitelib} \
     %{__python3} -c "from setuptools_rust import RustExtension, version"
 
+%if %{with tests}
+cd examples/tomlgen
+%cargo_prep
+sed -i 's/"0\.[0-9.]*"/"^0"/g' setup.cfg
+PYTHONPATH=%{buildroot}%{python3_sitelib} %{__python3} setup.py build
+cd ../..
+%endif
+
+
 %files -n python3-setuptools-rust
 %doc README.md CHANGELOG.md
 %license LICENSE
@@ -74,6 +92,10 @@ PYTHONPATH=%{buildroot}%{python3_sitelib} \
 %{python3_sitelib}/setuptools_rust-%{version}-py%{python3_version}.egg-info/
 
 %changelog
+* Tue Mar 09 2021 Christian Heimes <cheimes@redhat.com> - 0.12.0-1
+- Update to 0.12.0 (#1936679)
+- Run tomlgen example as test case
+
 * Thu Feb 11 2021 Christian Heimes <cheimes@redhat.com> - 0.11.6-4
 - Fix RHEL build: remove wheel build requirements, use rust-toolset
 
diff --git a/sources b/sources
index f8d5bd3..47f3cec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (setuptools-rust-0.11.6.tar.gz) = 5ebc3944d7fb2fb8959c7fc7a897b7e658169bc07f8f29d6acd4a4710009c9c213005e3e846c30b565f743aff72f22582474b5ece9c4e58e43081d60c140a7cb
+SHA512 (setuptools-rust-0.12.0.tar.gz) = d2d804c2590d0acd3ad55abab749502719be53e00fc54f4b7fded74dbadfa1b72bbd52d19cd9d479d254f11aee0c13c32af3e322c99eb95ae76df0e813ece6d9