diff --git a/pom.xml b/pom.xml
index af54b427..d3c87e81 100644
--- a/pom.xml
+++ b/pom.xml
@@ -194,7 +194,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.2.3</version>
+                <version>1.2.13</version>
             </dependency>
             <dependency>
                 <groupId>org.slf4j</groupId>
@@ -377,7 +377,7 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5.3</version>
+                <version>4.5.13</version>
             </dependency>
         </dependencies>
     </dependencyManagement>