diff --git a/etl/pom.xml b/etl/pom.xml
index ded9fdd5..a6732032 100644
--- a/etl/pom.xml
+++ b/etl/pom.xml
@@ -16,7 +16,6 @@
 		<dependency>
     			<groupId>ch.qos.logback</groupId>
     			<artifactId>logback-core</artifactId>
-    			<version>1.2.9</version>
 		</dependency>
 		<dependency>
     			<groupId>org.apache.commons</groupId>
diff --git a/pom.xml b/pom.xml
index 67701777..2f8802b2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -197,12 +197,12 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-core</artifactId>
-        <version>1.2.9</version>
+        <version>1.4.13</version>
       </dependency>
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.2.9</version>
+        <version>1.4.13</version>
       </dependency>
       <dependency>
         <groupId>org.slf4j</groupId>