diff --git a/build.gradle b/build.gradle
index 5a151ca6b..2360554d2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     implementation 'com.jcraft:jsch:0.1.55'
     implementation 'org.springframework.shell:spring-shell-starter:3.3.1'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
-    implementation group: 'ch.qos.logback', name: 'logback-classic', version: '1.5.6'
+    implementation group: 'ch.qos.logback', name: 'logback-classic', version: '1.5.9'
     implementation("com.mixpanel:mixpanel-java:1.5.3")
     implementation group: 'ch.qos.logback.contrib', name: 'logback-json-classic', version: '0.1.5'
     implementation group: 'ch.qos.logback.contrib', name: 'logback-jackson', version: '0.1.5'