diff --git a/pom.xml b/pom.xml
index 0367b49..c808886 100644
--- a/pom.xml
+++ b/pom.xml
@@ -150,7 +150,7 @@
         <dependency>
             <groupId>io.jsonwebtoken</groupId>
             <artifactId>jjwt</artifactId>
-            <version>0.7.0</version>
+            <version>1.5.7.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>com.jayway.jsonpath</groupId>
@@ -173,31 +173,31 @@
         <dependency>
             <groupId>org.aksw.rdfunit</groupId>
             <artifactId>rdfunit-io</artifactId>
-            <version>${rdfunit-version}</version>
+            <version>0.8.7</version>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.rdfunit</groupId>
             <artifactId>rdfunit-commons</artifactId>
-            <version>${rdfunit-version}</version>
+            <version>0.8.7</version>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.rdfunit</groupId>
             <artifactId>rdfunit-model</artifactId>
-            <version>${rdfunit-version}</version>
+            <version>0.8.7</version>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.rdfunit</groupId>
             <artifactId>rdfunit-core</artifactId>
-            <version>${rdfunit-version}</version>
+            <version>0.8.7</version>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.rdfunit</groupId>
             <artifactId>rdfunit-junit</artifactId>
-            <version>${rdfunit-version}</version>
+            <version>0.8.7</version>
             <scope>test</scope>
         </dependency>
 
@@ -205,21 +205,21 @@
         <dependency>
             <groupId>org.aksw.jena-sparql-api</groupId>
             <artifactId>jena-sparql-api-core</artifactId>
-            <version>${jena-sparql-api-version}</version>
+            <version>3.4.0-1</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.jena-sparql-api</groupId>
             <artifactId>jena-sparql-api-cache-h2</artifactId>
-            <version>${jena-sparql-api-version}</version>
+            <version>3.4.0-1</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>org.aksw.jena-sparql-api</groupId>
             <artifactId>jena-sparql-api-resources</artifactId>
-            <version>${jena-sparql-api-version}</version>
+            <version>3.4.0-1</version>
             <scope>compile</scope>
         </dependency>
 
@@ -227,13 +227,13 @@
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-arq</artifactId>
-            <version>${org-apache-jena-version}</version>
+            <version>3.4.0</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.jena</groupId>
             <artifactId>jena-core</artifactId>
-            <version>${org-apache-jena-version}</version>
+            <version>3.4.0</version>
             <scope>compile</scope>
         </dependency>
 
@@ -261,7 +261,7 @@
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger2</artifactId>
-            <version>2.7.0</version>
+            <version>3.0.0</version>
         </dependency>
 
         <dependency>