diff --git a/pom.xml b/pom.xml
index 7204854..563cd65 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,6 +60,7 @@
 
 	<properties>
 		<jersey.version>2.15</jersey.version>
+		<jackson.version>2.9.1</jackson.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 
@@ -162,7 +163,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.jaxrs</groupId>
 			<artifactId>jackson-jaxrs-json-provider</artifactId>
-			<version>2.4.4</version>
+			<version>${jackson.version}</version>
 		</dependency>
 
 		<!-- JSON support using Jackson -->
@@ -171,17 +172,17 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.4.4</version>
+			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-annotations</artifactId>
-			<version>2.4.4</version>
+			<version>${jackson.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-core</artifactId>
-			<version>2.4.4</version>
+			<version>${jackson.version}</version>
 		</dependency>
 
 		<!-- JSON-LD support -->