diff --git a/build.gradle b/build.gradle
index 0ff89c1723e..60ed31885e4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ subprojects {
         compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
         compile group: 'org.slf4j', name: 'jcl-over-slf4j', version: '1.7.25'
         compile "org.slf4j:jcl-over-slf4j:1.7.25"
-        compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
+        compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.9'
         compileOnly 'org.projectlombok:lombok:1.18.12'
         annotationProcessor 'org.projectlombok:lombok:1.18.12'
         testCompileOnly 'org.projectlombok:lombok:1.18.12'