diff --git a/amazon-kinesis-client-multilang/pom.xml b/amazon-kinesis-client-multilang/pom.xml
index a73ffd26..26ec27e5 100644
--- a/amazon-kinesis-client-multilang/pom.xml
+++ b/amazon-kinesis-client-multilang/pom.xml
@@ -48,7 +48,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.3.14</version>
+      <version>1.5.18</version>
     </dependency>
     <dependency>
       <groupId>com.beust</groupId>
diff --git a/amazon-kinesis-client/pom.xml b/amazon-kinesis-client/pom.xml
index 0d1a9932..d44c0be7 100644
--- a/amazon-kinesis-client/pom.xml
+++ b/amazon-kinesis-client/pom.xml
@@ -287,7 +287,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.3.14</version>
+      <version>1.5.18</version>
       <scope>test</scope>
     </dependency>