diff --git a/.gitignore b/.gitignore
index 2e359f3..b0e33d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /clang-sys-0.26.2.crate
 /clang-sys-0.26.3.crate
 /clang-sys-0.26.4.crate
+/clang-sys-0.27.0.crate
diff --git a/rust-clang-sys.spec b/rust-clang-sys.spec
index 10f9615..848a03a 100644
--- a/rust-clang-sys.spec
+++ b/rust-clang-sys.spec
@@ -5,7 +5,7 @@
 %global crate clang-sys
 
 Name:           rust-%{crate}
-Version:        0.26.4
+Version:        0.27.0
 Release:        1%{?dist}
 Summary:        Rust bindings for libclang
 
@@ -57,6 +57,18 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
+%package     -n %{name}+assert-minimum-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+assert-minimum-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "assert-minimum" feature of "%{crate}" crate.
+
+%files       -n %{name}+assert-minimum-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
 %package     -n %{name}+clang_3_5-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -310,6 +322,9 @@ which use "runtime" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Tue Jan 22 2019 Josh Stone <jistone@redhat.com> - 0.27.0-1
+- Update to 0.27.0
+
 * Mon Jan 07 2019 Josh Stone <jistone@redhat.com> - 0.26.4-1
 - Update to 0.26.4
 
diff --git a/sources b/sources
index 0f5c891..6d8fc90 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (clang-sys-0.26.4.crate) = fe588c84b31c5c79c26fcf1caf3c537142314e3c031064d0f93761662856e22bd87fecfd72a9b0e64f612ca2b81e1dde540f849106a0eb3019ef0e4d704a87e0
+SHA512 (clang-sys-0.27.0.crate) = cf62c13af66bb5acc8d55e54df5af600721c579e69c19bfdd5cb9f49b33059bf3dba2a01ffbf2001b023ebb52eae64885f52aef30d8ac6f5b734a877757f142e