diff --git a/pom.xml b/pom.xml
index 59c348aa..ad220738 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,6 +49,16 @@
 			<groupId>pl.psnc.dl.wf4ever</groupId>
 			<artifactId>rodl-darceo</artifactId>
 			<version>1.0.2</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpclient</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpcore</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>javax.servlet</groupId>
@@ -78,6 +88,16 @@
 			<groupId>org.apache.jena</groupId>
 			<artifactId>jena-arq</artifactId>
 			<version>${jena.version}</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpcore</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpclient</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.jena</groupId>
@@ -179,6 +199,20 @@
 			<groupId>org.apache.solr</groupId>
 			<artifactId>solr-solrj</artifactId>
 			<version>4.1.0</version>
+			<exclusions>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpcore</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpclient</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpmime</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<!-- atom feed for notifications -->
 		<dependency>
@@ -203,12 +237,23 @@
 		<dependency>
 			<groupId>com.github.jsonld-java</groupId>
 			<artifactId>jsonld-java</artifactId>
+			<version>0.8.2</version>
+		<!-- 	
 			<version>0.2</version>
+		 -->
 		</dependency>
 		<dependency>
 			<groupId>com.github.jsonld-java</groupId>
 			<artifactId>jsonld-java-jena</artifactId>
+			<version>0.4.1</version>
+		<!-- 	
 			<version>0.2</version>
+		 -->
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-annotations</artifactId>
+			<version>2.7.3</version>
 		</dependency>
 
 		<!-- tests -->
@@ -224,6 +269,16 @@
 			<version>1.33</version>
 			<scope>test</scope>
 			<classifier>standalone</classifier>
+			<exclusions>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpcore</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>org.apache.httpcomponents</groupId>
+					<artifactId>httpclient</artifactId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.hamcrest</groupId>