diff --git a/features/karaf/openhab-core/pom.xml b/features/karaf/openhab-core/pom.xml
index c27b43fe678..e4260e49548 100644
--- a/features/karaf/openhab-core/pom.xml
+++ b/features/karaf/openhab-core/pom.xml
@@ -15,8 +15,8 @@
   <description>openHAB Core Features</description>
 
   <properties>
-    <jetty.version>9.4.18.v20190429</jetty.version>
-    <jna.version>4.5.2</jna.version>
+    <jetty.version>9.4.20.v20190813</jetty.version>
+    <jna.version>5.4.0</jna.version>
   </properties>
 
   <build>
diff --git a/features/karaf/openhab-tp/pom.xml b/features/karaf/openhab-tp/pom.xml
index 6d0010850d8..6bb7d0a7044 100644
--- a/features/karaf/openhab-tp/pom.xml
+++ b/features/karaf/openhab-tp/pom.xml
@@ -14,7 +14,7 @@
   <name>openHAB Core :: Features :: Karaf :: Target Platform</name>
 
   <properties>
-    <jetty.version>9.4.18.v20190429</jetty.version>
+    <jetty.version>9.4.20.v20190813</jetty.version>
   </properties>
 
   <build>
diff --git a/features/karaf/pom.xml b/features/karaf/pom.xml
index c80b8b8e287..c25496a7ccf 100644
--- a/features/karaf/pom.xml
+++ b/features/karaf/pom.xml
@@ -28,6 +28,13 @@
       <version>${karaf.tooling.version}</version>
       <type>kar</type>
       <scope>provided</scope>
+      <exclusions>
+        <exclusion>
+          <!-- This should have been an optional dependency and will be fixed in Karaf 4.2.8 (KARAF-6462). -->
+          <groupId>org.knopflerfish.kf6</groupId>
+          <artifactId>log-API</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <!-- Repositories -->
diff --git a/pom.xml b/pom.xml
index 743616f652c..c8c8a741ed8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,7 +71,7 @@
 
     <bnd.version>4.2.0</bnd.version>
     <karaf.compile.version>4.2.1</karaf.compile.version>
-    <karaf.tooling.version>4.2.6</karaf.tooling.version>
+    <karaf.tooling.version>4.2.7</karaf.tooling.version>
     <sat.version>0.8.0</sat.version>
     <slf4j.version>1.7.21</slf4j.version>
     <xtext.version>2.19.0</xtext.version>