diff --git a/reload4j.spec b/reload4j.spec
index 1d2fd9c..e87f299 100644
--- a/reload4j.spec
+++ b/reload4j.spec
@@ -33,6 +33,10 @@ BuildRequires:  java-devel >= 1.8
 BuildRequires:  javamail
 BuildRequires:  javapackages-local
 Conflicts:      log4j12 < %{version}-%{release}
+Conflicts:      logfactor5
+Obsoletes:      chainsaw < 2.1
+Obsoletes:      log4j < 1.3
+Obsoletes:      log4j-mini < 1.3
 Provides:       log4j12 = %{version}-%{release}
 BuildArch:      noarch
 %if %{with tests}