diff --git a/.gitignore b/.gitignore
index 3e2c084..e6c8e3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /libc-0.2.39.crate
 /libc-0.2.40.crate
 /libc-0.2.41.crate
+/libc-0.2.42.crate
diff --git a/rust-libc.spec b/rust-libc.spec
index 4c9b2e3..8e23419 100644
--- a/rust-libc.spec
+++ b/rust-libc.spec
@@ -5,7 +5,7 @@
 %global crate libc
 
 Name:           rust-%{crate}
-Version:        0.2.41
+Version:        0.2.42
 Release:        1%{?dist}
 Summary:        Library for types and bindings to native C functions
 
@@ -55,6 +55,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/{appveyor.yml,ci}
 
 %changelog
+* Tue Jun 05 2018 Josh Stone <jistone@redhat.com> - 0.2.42-1
+- Update to 0.2.42
+
 * Fri May 25 2018 Josh Stone <jistone@redhat.com> - 0.2.41-1
 - Update to 0.2.41
 
diff --git a/sources b/sources
index 939ff08..ee94686 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libc-0.2.41.crate) = 6666f28673f765817dc6c989876a53031b117d281a6b148976b900ddeaa220fcb04c0e2bfe8b07d46f7e1b212e9c2fd7273b3300be548a3af0d2c9025bef7b26
+SHA512 (libc-0.2.42.crate) = c99a4358805012d7552f416ae68c9651dfd260599bf0cd618b55036acd08ab8eeda8aa18c18b893f074c9613694ef6562e87f032639eb86b86514aa0fd815870