diff --git a/pom.xml b/pom.xml
index a4e770b9fd1777e1298b582aebc31e37a609dddd..8cf5a059657ba5a69b92bf55b70099ecbff75c55 100644
--- a/pom.xml
+++ b/pom.xml
@@ -234,7 +234,7 @@
 		<dependency>
 			<groupId>com.corundumstudio.socketio</groupId>
 			<artifactId>netty-socketio</artifactId>
-			<version>1.7.15</version>
+			<version>1.7.16</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.inject</groupId>
diff --git a/src/site/markdown/installation.md b/src/site/markdown/installation.md
index defc50f4a109f6b6442a55f2afd9006e84e830b8..60ba3cfdff6a15f2e4219983068695651a94d379 100644
--- a/src/site/markdown/installation.md
+++ b/src/site/markdown/installation.md
@@ -55,11 +55,11 @@ In order to build up a full featured server installation you have to install at
 	* Apache HTTP Server 2.4.5 (or newer) with builtin modules `mod_proxy`, `mod_proxy_http`, `mod_proxy_wstunnel` and `mod_rewrite`
 
 Additionally, you need Python 2.7 (3.0 or newer will not work) to run the "Setup Tool".
-We further recommend installing the "Apache Portable Runtime Library" (libapr1) for improved performance.
+We further recommend installing the "Apache Portable Runtime (APR) based Native library for Tomcat" (libapr and libtcnative) for improved performance.
 
 Most of this software can easily be installed on Linux systems using the distribution's package manager:
-* Debian: `# apt-get install -t jessie-backports nginx openjdk-8-jre && apt-get install libapr1 tomcat8`
-* Ubuntu: `# sudo apt-get install couchdb libapr1 nginx openjdk-8-jre tomcat8`
+* Debian: `# apt-get install -t jessie-backports nginx openjdk-8-jre && apt-get install libtcnative-1 tomcat8`
+* Ubuntu: `# sudo apt-get install couchdb libtcnative-1 nginx openjdk-8-jre tomcat8`
 
 While running ARSnova without a reverse proxy is possible, we do not recommend to do so.
 A reverse proxy significantly simplifies the setup of HTTPS and allows running Websocket connections over the default HTTP(S) port.