diff --git a/rust-block-buffer.spec b/rust-block-buffer.spec
index d5fccb1..e322040 100644
--- a/rust-block-buffer.spec
+++ b/rust-block-buffer.spec
@@ -6,7 +6,7 @@
 
 Name:           rust-%{crate}
 Version:        0.9.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Fixed size buffer for block processing of data
 
 # Upstream license specification: MIT OR Apache-2.0
@@ -82,6 +82,9 @@ which use "block-padding" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild