diff --git a/pom.xml b/pom.xml
index bfeb0f7..eaa0134 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
 
 		<!-- dependencies -->
 		<slf4j.version>1.7.26</slf4j.version>
-		<logback.version>1.2.3</logback.version>
+		<logback.version>1.4.12</logback.version>
 		<logstash-logback-encoder.version>6.3</logstash-logback-encoder.version>
 		<json.version>20180813</json.version>
 		<google.truth.version>0.45</google.truth.version>