diff --git a/rust-slab.spec b/rust-slab.spec
index 5ea6aa5..2f78527 100644
--- a/rust-slab.spec
+++ b/rust-slab.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.4.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Pre-allocated storage for a uniform data type
 
 License:        MIT or ASL 2.0
@@ -51,6 +51,9 @@ which use %{crate} from crates.io.
 %{cargo_registry}/%{crate}-%{version}/
 
 %changelog
+* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild