diff --git a/.gitignore b/.gitignore
index 0387b75..bc80689 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /num-derive-0.3.2.crate
 /num-derive-0.3.3.crate
 /num-derive-0.4.1.crate
+/num-derive-0.4.2.crate
diff --git a/rust-num-derive.spec b/rust-num-derive.spec
index 3d6272b..14a97dc 100644
--- a/rust-num-derive.spec
+++ b/rust-num-derive.spec
@@ -5,7 +5,7 @@
 %global crate num-derive
 
 Name:           rust-num-derive
-Version:        0.4.1
+Version:        0.4.2
 Release:        %autorelease
 Summary:        Numeric syntax extensions
 
diff --git a/sources b/sources
index 24ce537..b495bc9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (num-derive-0.4.1.crate) = ea7bcb94e83698609d055981ac5f112e9b18edc87a767c0ad77d31bfb6fdd0d552f5a23934e2956bff56777e9460c08ea05a5ac636bcc6d45512e4c330260d30
+SHA512 (num-derive-0.4.2.crate) = 55b951470a07dbce489ee43e1540056123d3eb7b5240903cd348951b81ef5aa5b2b1db311d1219bec8ad191373d0079bf40861e3f45380f8d8132f39d33b4f4c