diff --git a/.gitignore b/.gitignore
index e518684..2da569f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /cpp_demangle-0.2.9.crate
 /cpp_demangle-0.2.10.crate
 /cpp_demangle-0.2.11.crate
+/cpp_demangle-0.2.12.crate
diff --git a/cpp_demangle-0.2.11-fix-metadata.diff b/cpp_demangle-fix-metadata.diff
similarity index 100%
rename from cpp_demangle-0.2.11-fix-metadata.diff
rename to cpp_demangle-fix-metadata.diff
diff --git a/rust-cpp_demangle.spec b/rust-cpp_demangle.spec
index ed80ce2..4192d91 100644
--- a/rust-cpp_demangle.spec
+++ b/rust-cpp_demangle.spec
@@ -4,16 +4,17 @@
 %global crate cpp_demangle
 
 Name:           rust-%{crate}
-Version:        0.2.11
+Version:        0.2.12
 Release:        1%{?dist}
 Summary:        Crate for demangling C++ symbols
 
+# Upstream license specification: Apache-2.0/MIT
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/cpp_demangle
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
 # * No afl, still not packaged
-Patch0:         cpp_demangle-0.2.11-fix-metadata.diff
+Patch0:         cpp_demangle-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
@@ -52,10 +53,10 @@ which use %{crate} from crates.io.
 %cargo_prep
 
 %build
-%cargo_build
+%cargo_build -- --example cppfilt
 
 %install
-%cargo_install
+%cargo_install -- --example cppfilt
 
 %if %{with check}
 %check
@@ -73,6 +74,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Tue Sep 11 2018 Josh Stone <jistone@redhat.com> - 0.2.12-1
+- Update to 0.2.12
+
 * Fri Aug 10 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.11-1
 - Update to 0.2.11
 
diff --git a/sources b/sources
index 809e5c0..269b6a0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cpp_demangle-0.2.11.crate) = 23a246fa33374dff93144ad8b4bfa6c02440c2b54a6f6116c116814464f80b531b8d366e2eb03e31dbe44290da2b1a2a22d1253914b4fc51cae9c3776083729c
+SHA512 (cpp_demangle-0.2.12.crate) = 0e2d3cb4cb90e156e02db6b09c26cc51eda999b6badda4095bb1be5cde2e144abfeb2ec85aa911650e6385eb9920b83c091c51aeb32770103a475c514c2e96b5