corrected json dependency entries
diff --git a/pom.xml b/pom.xml
index d799a1f..8344f91 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,8 +37,18 @@
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>2.3.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>2.3.3</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.2.2</version>
+            <version>2.3.3</version>
         </dependency>
         <dependency>
             <groupId>KorAP-modules</groupId>