diff --git a/byaccj.spec b/byaccj.spec
index 5313e3f..6ca840d 100644
--- a/byaccj.spec
+++ b/byaccj.spec
@@ -1,8 +1,7 @@
 Summary:	Parser Generator with Java Extension
 Name:		byaccj
-Epoch:		0
 Version:	1.15
-Release:	24%{?dist}
+Release:	25%{?dist}
 License:	Public Domain
 URL:		http://byaccj.sourceforge.net/
 
@@ -43,6 +42,9 @@ install -p -m 755 src/yacc %{buildroot}%{_bindir}/%{name}
 %{_bindir}/%{name}
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.15-25
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Nov 25 2020 Mikolaj Izdebski <mizdebsk@redhat.com> - 0:1.15-24
 - Use make_build RPM macro to comply with packaging guidelines
 
diff --git a/sources b/sources
index 0aebf37..6ab5b95 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5ee9959af35f245ac2c4355f85fdf351  byaccj1.15_src.tar.gz
+SHA512 (byaccj1.15_src.tar.gz) = 6423ecca70d21dd0c1dd8366361f6c4420536e099090b18738013fbb6e8e0710ee739e51dfd7f603a64f8761f48cdd1d8dc7844d1b5ec6b792535254d290addc