diff --git a/pom.xml b/pom.xml
index bfeb0f7..06f566f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,14 +54,14 @@
 		<!-- dependencies -->
 		<slf4j.version>1.7.26</slf4j.version>
 		<logback.version>1.2.3</logback.version>
-		<logstash-logback-encoder.version>6.3</logstash-logback-encoder.version>
+		<logstash-logback-encoder.version>7.0</logstash-logback-encoder.version>
 		<json.version>20180813</json.version>
 		<google.truth.version>0.45</google.truth.version>
 		<fluency.version>1.8.1</fluency.version>
 		<stackdriver.version>1.77.0</stackdriver.version>
 		<google-cloud-logging-logback.version>0.111.0-alpha</google-cloud-logging-logback.version>
 		<jackson.version>2.9.8</jackson.version>
-		<logback-logstash-syntax-highlighting-decorators.version>1.0.2</logback-logstash-syntax-highlighting-decorators.version>
+		<logback-logstash-syntax-highlighting-decorators.version>1.0.6</logback-logstash-syntax-highlighting-decorators.version>
 		<junit.version>4.12</junit.version>
 		<mockito.version>2.24.0</mockito.version>
 		<hamcrest.version>1.3</hamcrest.version>