diff --git a/maven.spec b/maven.spec
index 4da1729..7ff9d69 100644
--- a/maven.spec
+++ b/maven.spec
@@ -1,4 +1,4 @@
-%global bundled_slf4j_version 1.7.26
+%global bundled_slf4j_version 1.7.28
 %global homedir %{_datadir}/%{name}%{?maven_version_suffix}
 %global confdir %{_sysconfdir}/%{name}%{?maven_version_suffix}