diff --git a/rust-lab.spec b/rust-lab.spec
index 0a8943d..76341d9 100644
--- a/rust-lab.spec
+++ b/rust-lab.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.8.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Tools for converting RGB colors to the CIE-L*a*b* color space
 
 # Upstream license specification: MIT
@@ -74,6 +74,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.8.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
 * Mon Jun 28 2021 Fabio Valentini <decathorpe@gmail.com> - 0.8.1-3
 - Bump approx from 0.3 to 0.5.