SLING-3821 Run launchpad integration tests against Sling on Karaf

update dependencies
diff --git a/pom.xml b/pom.xml
index 550b67a..08bf504 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>org.apache.jackrabbit</groupId>
       <artifactId>jackrabbit-webdav</artifactId>
-      <version>2.20.6</version>
+      <version>2.20.8</version>
       <scope>test</scope>
     </dependency>
     <!-- Apache Karaf -->
@@ -153,7 +153,7 @@
     <dependency>
       <groupId>org.apache.sling</groupId>
       <artifactId>org.apache.sling.junit.scriptable</artifactId>
-      <version>1.0.12</version>
+      <version>1.0.14</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -177,13 +177,13 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpcore</artifactId>
-      <version>4.4.15</version>
+      <version>4.4.16</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.13</version>
+      <version>4.5.14</version>
       <scope>test</scope>
     </dependency>
   </dependencies>