diff --git a/pom.xml b/pom.xml
index dab4897..261a49d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
         <guava.version>25.1-jre</guava.version>
         <commons-lang3.version>3.7</commons-lang3.version>
         <junit.version>4.13.1</junit.version>
-        <logback.version>1.2.3</logback.version>
+        <logback.version>1.2.9</logback.version>
         <slf4j.version>1.7.25</slf4j.version>
         <assertj.version>3.7.0</assertj.version>
         <jackson.version>2.6.7</jackson.version>