diff --git a/pom.xml b/pom.xml
index cb00dee..5ca6b15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,11 +24,6 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
 				<version>2.22.2</version>
-				<configuration>
-					<excludes>
-						<exclude>de/ids_mannheim/korap/test/*.java</exclude>
-					</excludes>
-				</configuration>
 			</plugin>
 		</plugins>
 	</build>
@@ -36,7 +31,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jersey.version>1.19.4</jersey.version>
-    <slf4j.version>1.7.30</slf4j.version>
+    	<slf4j.version>1.7.30</slf4j.version>
 	</properties>
 
 	<dependencies>
@@ -61,12 +56,12 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.9</version>
+			<version>4.5.13</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.11.3</version>
+			<version>2.12.2</version>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>