diff --git a/pom.xml b/pom.xml
index 75cd6e5615c..effa4de0624 100644
--- a/pom.xml
+++ b/pom.xml
@@ -195,7 +195,7 @@
     <!--<Log4jReleaseKey>748F15B2CF9BA8F024155E6ED7C92B70FA1C814D</Log4jReleaseKey> -->
     <!-- note that any properties you want available in velocity templates must not use periods! -->
     <slf4jVersion>1.7.30</slf4jVersion>
-    <logbackVersion>1.2.3</logbackVersion>
+    <logbackVersion>1.5.18</logbackVersion>
     <jackson1Version>1.9.13</jackson1Version>
     <jackson2Version>2.12.4</jackson2Version>
     <spring-boot.version>2.5.7</spring-boot.version>