diff --git a/pom.xml b/pom.xml
index 45fb078..e5882b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
         <ktor_version>1.3.2</ktor_version>
         <kotlin.code.style>official</kotlin.code.style>
         <kotlin_version>1.3.70</kotlin_version>
-        <logback_version>1.2.1</logback_version>
+        <logback_version>1.2.13</logback_version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
         <main.class>io.ktor.server.tomcat.EngineMain</main.class>