diff --git a/services/pom.xml b/services/pom.xml
index f46af2d2..4b5d74a9 100644
--- a/services/pom.xml
+++ b/services/pom.xml
@@ -34,7 +34,7 @@
         <guava.version>24.0-jre</guava.version>
         <h2.version>1.4.185</h2.version>
         <junit.version>5.0.0</junit.version>
-        <logback.version>1.2.3</logback.version>
+        <logback.version>1.2.9</logback.version>
         <pl.project13.maven.version>2.1.15</pl.project13.maven.version>
         <plexus-resources.version>1.0-alpha-7</plexus-resources.version>
         <spring.boot.version>2.2.0.RELEASE</spring.boot.version>