diff --git a/rust-futures0.1.spec b/rust-futures0.1.spec
index 841b526..cd6091c 100644
--- a/rust-futures0.1.spec
+++ b/rust-futures0.1.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}0.1
 Version:        0.1.21
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Implementation of futures and streams featuring zero allocations
 
 License:        MIT or ASL 2.0
@@ -53,6 +53,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/appveyor.yml
 
 %changelog
+* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.21-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
 * Sun Jul 01 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.1.21-3
 - Stop ignoring test suite