diff --git a/.gitignore b/.gitignore
index d8bb55e..451ea9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /byteorder-1.1.0.crate
 /byteorder-1.2.1.crate
 /byteorder-1.2.2.crate
+/byteorder-1.2.3.crate
diff --git a/rust-byteorder.spec b/rust-byteorder.spec
index bbd2916..c09dec0 100644
--- a/rust-byteorder.spec
+++ b/rust-byteorder.spec
@@ -5,7 +5,7 @@
 %global crate byteorder
 
 Name:           rust-%{crate}
-Version:        1.2.2
+Version:        1.2.3
 Release:        1%{?dist}
 Summary:        Library for reading/writing numbers in big-endian and little-endian
 
@@ -57,6 +57,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/ci
 
 %changelog
+* Mon May 14 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.2.3-1
+- Update to 1.2.3
+
 * Mon Apr 02 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.2.2-1
 - Update to 1.2.2
 
diff --git a/sources b/sources
index d35ba0a..c2c20b6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (byteorder-1.2.2.crate) = b3b0aa23f0d6a5023fbc8571e73cb7aabd8148f9dcba8da9aad49cabf97dabbbb3a05764cd3604edbd00ecb56ee0695cd30a67d9d51264539169e400d7bbc478
+SHA512 (byteorder-1.2.3.crate) = 336c9ac26d897042554d4c7c00a5c47cfdfa2a181511a7247b292c342156450c6cac95a2137d6f6a45f59ff1ef351a18dc73fb75e9e0c5b0b3a90d7026d39dc1