diff --git a/parent/pom.xml b/parent/pom.xml
index 38e91ca..1351cc1 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -108,7 +108,7 @@
         <jtidy.version>r938</jtidy.version>
         <kafka.version>2.0.1</kafka.version>
         <karaf.version>4.0.2</karaf.version>
-        <log4j.version>2.11.0</log4j.version>
+        <log4j.version>2.17.1</log4j.version>
         <lucene.bundle.version>7.4.0_1</lucene.bundle.version>
         <lucene.version>7.4.0</lucene.version>
         <lz4.version>1.5.0</lz4.version>